| | Year of Achievement | Date Dedicated | IEEE Regions | IEEE Section | Dedication # |
|---|
| Vulcan Street Plant, 1882 | 1882 | 15 September 1977 | 4 | | 1 |
| Mill Creek No. 1 Hydroelectric Plant, 1893 | 1893 | 20 February 1977 | 6 | Foothill | 2 |
| Alternating-Current Electrification of the New York, New Haven & Hartford Railroad, 1907 | 1907 | 22 May 1982 | 1 | | 3 |
| Stanford Linear Accelerator Center, 1962 | 1962 | 1 February 1984 | 6 | | 4 |
| Landing of the Transatlantic Cable, 1866 | 1866 | 15 June 1985 | 7 | | 5 |
| Reception of Transatlantic Radio Signals, 1901 | 1901 | 4 October 1985 | 7 | | 6 |
| Westinghouse Atom Smasher, 1937 | 1937 | 1 May 1985 | 2 | | 7 |
| First Central Station in South Carolina, 1882 | 1882 | 24 July 1986 | 3 | Coastal South Carolina | 8 |
| One-Way Police Radio Communication, 1928 | 1928 | 1 May 1987 | 4 | Southeastern Michigan | 9 |
| Two-Way Police Radio Communication, 1933 | 1933 | 1 May 1987 | 1 | | 10 |
| FM Police Radio Communication, 1940 | 1940 | 1 June 1987 | 1 | | 11 |
| Electronic Numerical Integrator and Computer, 1946 | 1946 | 1 September 1987 | 2 | | 12 |
| Demonstration of Practical Telegraphy, 1838 | 1838 | 7 May 1988 | 1 | | 13 |
| Ames Hydroelectric Generating Plant, 1891 | 1891 | 1 July 1988 | 5 | Pikes Peak | 14 |
| Manufacture of Transistors, 1951 | 1951 | 1 April 1989 | 2 | | 15 |
| Transcontinental Telegraph, 1861 | 1861 | 5 August 1990 | 5 | | 16 |
| Adams Hydroelectric Generating Plant, 1895 | 1895 | 21 June 1990 | 1 | Buffalo | 17 |
| Atanasoff-Berry Computer, 1939 | 1939 | 1 April 1990 | 4 | | 18 |
| MIT Radiation Laboratory, 1940-1945 | 1940 | 1 October 1990 | 1 | Boston | 19 |
| Shoshone Transmission Line, 1909 | 1909 | 22 June 1991 | 5 | | 20 |
| Richmond Union Passenger Railway, 1888 | 1888 | 2 February 1992 | 3 | | 21 |
| Alexanderson Radio Alternator, 1904 | 1904 | 20 February 1992 | 1 | | 22 |
| Alouette-ISIS Satellite Program, 1962 | 1962 | 1 May 1993 | 7 | Ottawa | 23 |
| Poulsen-Arc Radio Transmitter, 1902 | 1902 | 1 May 1994 | 8 | | 24 |
| Westinghouse Radio Station KDKA, 1920 | 1920 | 1 June 1994 | 2 | | 25 |
| Directive Short Wave Antenna, 1924 | 1924 | 17 June 1995 | 10 | Sendai | 26 |
| Volta's Electrical Battery Invention, 1799 | 1799 | 15 September 1999 | 8 | Italy | 27 |
| Georgetown Steam Hydro Generating Plant, 1900 | 1900 | 31 July 1999 | 5 | | 28 |
| First Operational Use Of Wireless Telegraphy, 1899-1902 | 1899 | 29 September 1999 | 8 | | 29 |
| Merrill Wheel-Balancing System, 1945 | 1945 | 1 September 1999 | 5 | | 30 |
| First Wearable Cardiac Pacemaker, 1957-1958 | 1957 | 1 October 1999 | 4 | Twin Cities | 31 |
| County Kerry Transatlantic Cable Stations, 1866 | 1866 | 13 July 2000 | 8 | | 32 |
| Opana Radar Site, 1941 | 1941 | 1 February 2000 | 6 | Hawaii | 33 |
| Mount Fuji Radar System, 1964 | 1964 | 6 March 2000 | 10 | Tokyo | 34 |
| Tokaido Shinkansen (Bullet Train), 1964 | 1964 | 13 July 2000 | 10 | | 35 |
| Chivilingo Hydroelectric Plant, 1897 | 1897 | 24 October 2001 | 9 | | 36 |
| Transmission of Transatlantic Radio Signals, 1901 | 1901 | 12 December 2001 | 8 | | 37 |
| Long-Range Shortwave Voice Transmissions from Byrd's Antarctic Expedition, 1934 | 1934 | 1 February 2001 | 4 | | 38 |
| US Naval Computing Machine Laboratory, 1942-1945 | 1942 | 1 October 2001 | 2 | | 39 |
| Monochrome-Compatible Electronic Color Television, 1946-1953 | 1946 | 29 November 2001 | 1 | | 40 |
| NAIC/Arecibo Radiotelescope, 1963 | 1963 | 1 November 2001 | 9 | | 41 |
| Electronic Technology for Space Rocket Launches, 1950-1969 | 1950 | 1 February 2001 | 3 | Canaveral | 42 |
| Shannon Scheme for the Electrification of the Irish Free State, 1929 | 1929 | 29 July 2002 | 8 | | 43 |
| First Transatlantic Reception of a Television Signal via Satellite, 1962 | 1962 | 1 July 2002 | 8 | | 44 |
| First Transatlantic Transmission of a Television Signal via Satellite, 1962 | 1962 | 1 July 2002 | 1 | | 44 |
| First Transatlantic Television Signal via Satellite, 1962 | 1962 | 1 July 2002 | 8 | | 44 |
| Pioneering Work on the Quartz Electronic Wristwatch, 1962-1967 | 1962 | 28 September 2002 | 8 | | 45 |
| Revoked | | | | | 46 |
| Benjamin Franklin's work in London, 1757-1775 | 1757 | 31 March 2003 | 8 | | 47 |
| Panama Canal Electrical and Control Installations, 1914 | 1914 | 4 April 2003 | 9 | | 48 |
| Code-breaking at Bletchley Park during World War II, 1939-1945 | 1939 | 1 April 2003 | 8 | | 49 |
| Electric Fire Alarm System, 1852 | 1852 | 1 October 2004 | 1 | Boston | 50 |
| Alternating Current Electrification, 1886 | 1886 | 2 October 2004 | 1 | | 51 |
| Power System of Boston's Rapid Transit, 1889 | 1889 | 10 November 2004 | 1 | Boston | 52 |
| Decew Falls Hydro-Electric Plant, 1898 | 1898 | 2 May 2004 | 7 | Hamilton | 53 |
| Fleming Valve, 1904 | 1904 | 1 July 2004 | 8 | | 54 |
| Experimental Breeder Reactor I, 1951 | 1951 | 4 June 2004 | 6 | | 55 |
| Electronic Quartz Wristwatch, 1969 | 1969 | 25 November 2004 | 10 | Tokyo | 56 |
| Lempel-Ziv Data Compression Algorithm, 1977 | 1977 | 1 September 2004 | 8 | | 57 |
| Popov's Contribution to the Development of Wireless Communication, 1895 | 1895 | 20 May 2005 | 8 | | 58 |
| Vucje Hydroelectric Plant, 1903 | 1903 | 25 June 2005 | 8 | | 59 |
| RAMAC, 1956 | 1956 | 26 May 2005 | 6 | | 60 |
| Taum Sauk Pumped-Storage Electric Power Plant, 1963 | 1963 | 1 September 2005 | 5 | Saint Louis | 61 |
| First 735 kV AC Transmission System, 1965 | 1965 | 1 November 2005 | 7 | | 62 |
| CERN Experimental Instrumentation, 1968 | 1968 | 26 September 2005 | 8 | France | 63 |
| Nelson River HVDC Transmission System, 1972 | 1972 | 3 June 2005 | 7 | | 64 |
| Pioneering Work on Electronic Calculators, 1964-1973 | 1964 | 1 December 2005 | 10 | | 65 |
| Callan's Pioneering Contributions to Electrical Science and Technology, 1836 | 1836 | 5 September 2006 | 8 | | 66 |
| First Intelligible Voice Transmission over Electric Wire, 1876 | 1876 | 10 March 2006 | 1 | Boston | 67 |
| Thomas Alva Edison Historic Site at Menlo Park, 1876 | 1876 | 9 September 2006 | 1 | | 68 |
| WEIZAC Computer, 1955 | 1955 | 5 December 2006 | 8 | | 69 |
| The First Submarine Transatlantic Telephone Cable System (TAT-1), 1956 | 1956 | 24 September 2006 | 7
8 | Canadian Atlantic | 70 |
| Liquid Crystal Display, 1968 | 1968 | 30 September 2006 | 1 | | 71 |
| Development of VHS, a World Standard for Home Video Recording, 1976 | 1976 | 11 October 2006 | 10 | Tokyo | 72 |
| Early Developments in Remote-Control, 1901 | 1901 | 15 March 2007 | 8 | | 73 |
| Railroad Ticketing Examining System, 1965-1971 | 1965 | 27 November 2007 | 10 | | 74 |
| First Distant Speech Transmission in Canada, 1876 | 1876 | 4 May 2008 | 7 | Hamilton | 75 |
| Thomas A. Edison West Orange Laboratories and Factories, 1887 | 1887 | 18 October 2008 | 1 | | 76 |
| Pinawa Hydroelectric Power Project, 1906 | 1906 | 6 June 2008 | 7 | | 77 |
| First Wireless Radio Broadcast by Reginald A. Fessenden, 1906 | 1906 | 13 September 2008 | 1 | Boston | 78 |
| Largest Private (dc) Generating Plant in the U.S.A., 1929 | 1929 | 25 September 2008 | 1 | | 79 |
| The First Word Processor for the Japanese Language, 1971-1978 | 1971 | 1 November 2008 | 10 | Tokyo | 80 |
| Yosami Radio Transmitting Station, 1929 | 1929 | 19 May 2009 | 10 | | 81 |
| Development of the HP-35, the First Handheld Scientific Calculator, 1972 | 1972 | 14 April 2009 | 6 | | 82 |
| Compact Disc Audio Player, 1979 | 1979 | 6 March 2009 | 8 | Benelux | 83 |
| Speak & Spell, the First Use of a Digital Signal Processing IC for Speech Generation, 1978 | 1978 | 15 October 2009 | 5 | | 84 |
| Development of Electronic Television, 1924-1941 | 1924 | 12 November 2009 | 10 | | 85 |
| Maxwell's Equations, 1860-1871 | 1860 | 13 August 2009 | 8 | | 86 |
| Book “Experiments and Observations on Electricity” by Benjamin Franklin, 1751 | 1751 | 7 August 2009 | 2 | | 87 |
| Development of Ferrite Materials and Their Applications, 1930-1945 | 1930 | 13 October 2009 | 10 | Tokyo | 88 |
| Invention of the First Transistor at Bell Telephone Laboratories, Inc., 1947 | 1947 | 8 December 2009 | 1 | | 89 |
| First Semiconductor Integrated Circuit (IC), 1958 | 1958 | 15 October 2009 | 5 | | 90 |
| IBM Thomas J. Watson Research Center, 1960 - 1984 | 1960 | 16 October 2009 | 1 | | 91 |
| First Transpacific Reception of a Television (TV) Signal via Satellite, 1963 | 1963 | 23 November 2009 | 10 | Tokyo | 92 |
| Semiconductor Planar Process and Integrated Circuit, 1959 | 1959 | 8 May 2009 | 6 | | 93 |
| Shilling's Pioneering Contribution to Practical Telegraphy, 1828-1837 | 1828 | 18 May 2009 | 8 | | 94 |
| First External Cardiac Pacemaker, 1950 | 1950 | 1 September 2009 | 7 | | 95 |
| Birthplace of the Internet, 1969 | 1969 | 29 October 2009 | 6 | Coastal Los Angeles | 96 |
| Inception of the ARPANET, 1969 | 1969 | 16 September 2009 | 6 | | 97 |
| Kurobe River No. 4 Hydropower Plant, 1956-63 | 1956 | 9 April 2010 | 10 | | 98 |
| Commercialization and Industrialization of Photovoltaic Cells, 1959 | 1959 | 9 April 2010 | 10 | | 99 |
| Star of Laufenburg Interconnection, 1958 | 1958 | 18 August 2010 | 8 | | 100 |
| TIROS-1 Television Infrared Observation Satellite, 1960 | 1960 | 27 September 2010 | 1 | | 101 |
| Discovery of Radioconduction by Edouard Branly, 1890 | 1890 | 23 September 2010 | 8 | France | 102 |
| Invention of Public-key Cryptography, 1969 - 1975 | 1969 | 5 October 2010 | 8 | | 103 |
| First Television Broadcast in Western Canada, 1953 | 1953 | 6 November 2010 | 7 | | 104 |
| First Working Laser, 1960 | 1960 | 23 November 2010 | 6 | | 105 |
| First Radio Astronomical Observations Using Very Long Baseline Interferometry, 1967 | 1967 | 25 September 2010 | 7 | | 106 |
| 16-bit Monolithic DAC, 1981 | 1981 | 6 December 2010 | 5
6 | | 107 |
| First 500 MeV Proton Beam from the TRIUMF Cyclotron, 1974 | 1974 | 16 December 2010 | 7 | | 108 |
| Eel River High Voltage Direct Current Converter Station, 1972 | 1972 | 24 February 2011 | 7 | | 109 |
| Mercury Spacecraft MA-6, 1962 | 1962 | 24 February 2011 | 5 | Saint Louis | 110 |
| SPICE Circuit Simulation Program, 1970 | 1971 | 20 February 2011 | 6 | | 111 |
| Discovery of Superconductivity, 1911 | 1911 | 8 April 2011 | 8 | Benelux | 112 |
| Marconi's Early Experiments in Wireless Telegraphy, 1895 | 1895 | 29 April 2011 | 8 | Italy | 113 |
| Pearl Street Station, 1882 | 1882 | 10 May 2011 | 1 | | 114 |
| Grumman Lunar Module, 1962-1972 | 1962 | 20 July 2011 | 1 | | 115 |
| First Direct Broadcast Satellite Service, 1984 | 1984 | 18 November 2011 | 10 | Tokyo | 116 |
| First Real-Time Speech Communication on Packet Networks, 1974 - 1982 | 1974 | 8 December 2011 | 1 | Boston | 117 |
| Apollo Guidance Computer, 1962-1972 | 1962 | 13 December 2011 | 1 | Boston | 118 |
| First Practical Field Emission Electron Microscope, 1972 | 1972 | 31 January 2012 | 10 | Tokyo | 119 |
| International Standardization of G3 Facsimile, 1980 | 1980 | 5 April 2012 | 10 | Tokyo | 120 |
| World's First Low-Loss Optical Fiber for Telecommunications, 1970 | 1970 | 1 May 2012 | 1 | | 121 |
| Mainline Electrification of the Baltimore and Ohio Railroad, 1895 | 1895 | 21 June 2012 | 2 | Baltimore | 122 |
| Loran, 1940 - 1946 | 1940 | 27 June 2012 | 1 | Boston | 123 |
| Whirlwind Computer, 1944-59 | 1944 | 27 June 2012 | 1 | Boston | 124 |
| Semi-Automatic Ground Environment (SAGE) 1951-1958 | 1951 | 27 June 2012 | 1 | Boston | 125 |
| World's First Reliable High Voltage Power Fuse, 1909 | 1909 | 3 August 2012 | 4 | Chicago | 126 |
| The Floating Gate EEPROM, 1976 - 1978 | 1976 | 20 August 2012 | 6 | | 127 |
| First Millimeter-wave Communication Experiments by J.C. Bose, 1894-96 | 1894 | 15 September 2012 | 10 | Kolkata | 128 |
| Raman Effect, 1928 | 1928 | 15 September 2012 | 10 | Kolkata | 129 |
| Birthplace of the Bar Code, 1948 | 1948 | 22 October 2012 | 2 | | 130 |
| First Optical Fiber Laser and Amplifier, 1961-1964 | 1961 | 26 October 2012 | 1 | | 131 |
| Rincón del Bonete, 1945 | 1945 | 14 December 2012 | 9 | | 132 |
| Invention of Holography, 1947 | 1947 | 12 June 2013 | 8 | | 133 |
| Krka-Šibenik Electric Power System, 1895 | 1895 | 5 July 2013 | 8 | | 134 |
| Toshiba T1100, a Pioneering Contribution to the Development of Laptop PC, 1985 | 1985 | 29 October 2013 | 10 | Tokyo | 135 |
| First Technical Meeting of the American Institute of Electrical Engineers, 1884 | 1884 | 15 December 2013 | 2 | | 136 |
| Single-element Unidirectional Microphone - Shure Unidyne, 1939 | 1939 | 31 January 2014 | 4 | Chicago | 137 |
| Birth and Growth of Primary and Secondary Battery Industries in Japan, 1893 | 1893 | 12 April 2014 | 10 | | 138 |
| The CP/M Microcomputer Operating System, 1974 | 1974 | 25 April 2014 | 6 | | 139 |
| Line Spectrum Pair (LSP) for high-compression speech coding, 1975 | 1975 | 22 May 2014 | 10 | Tokyo | 140 |
| Sharp 14-inch Thin-Film-Transistor Liquid-Crystal Display (TFT-LCD) for TV, 1988 | 1988 | 10 June 2014 | 10 | | 141 |
| First Breaking of Enigma Code by the Team of Polish Cipher Bureau, 1932-1939 | 1932 | 5 August 2014 | 8 | | 142 |
| Gapless Metal Oxide Surge Arrester (MOSA) for electric power systems,1975 | 1975 | 18 August 2014 | 10 | Tokyo | 143 |
| First Digitally Processed Image from a Spaceborne Synthetic Aperture Radar, 1978 | 1978 | 9 September 2014 | 7 | | 144 |
| First Blind Takeoff, Flight and Landing, 1929 | 1929 | 24 September 2014 | 1 | | 145 |
| Rheinfelden Hydroelectric Power Plant, 1898 - 2010 | 1898 | 25 September 2014 | 8 | Germany | 146 |
| 20-inch Diameter Photomultiplier Tubes, 1979 - 1987 | 1979 | 5 November 2014 | 10 | | 147 |
| TPC-1 Transpacific Cable System, 1964 | 1964 | 11 November 2014 | 6
10 | Hawaii
Tokyo | 148 |
| High-Temperature Superconductivity, 1987 | 1987 | 17 November 2014 | 5 | | 149 |
| First Generation and Experimental Proof of Electromagnetic Waves, 1886-1888 | 1886 | 5 December 2014 | 8 | Germany | 150 |
| Bell Telephone Laboratories, Inc., 1925-1983 | 1925 | 18 December 2014 | 1 | | 151 |
| First RISC (Reduced Instruction-Set Computing) Microprocessor 1980-1982 | 1980 | 12 February 2015 | 6 | | 152 |
| SPARC RISC Architecture, 1987 | 1987 | 13 February 2015 | 6 | | 153 |
| Invention of Stereo Sound Reproduction, 1931 | 1931 | 1 April 2015 | 8 | | 154 |
| The MU (Middle and Upper atmosphere) radar, 1984 | 1984 | 13 May 2015 | 10 | | 155 |
| Vapor-phase Axial Deposition Method for Mass Production of High-quality Optical Fiber, 1977-1983 | 1977 | 21 May 2015 | 10 | Tokyo | 156 |
| Virginia Smith High-Voltage Direct-Current Converter Station, 1988 | 1988 | 21 May 2015 | 5 | | 157 |
| Interactive Video Games, 1966 | 1966 | 21 September 2015 | 1 | | 158 |
| Enrico Fermi's Major Contribution to Semiconductor Statistics, 1924-1926 | 1924 | 5 December 2015 | 8 | Italy | 159 |
| The High Definition Television System, 1964-1989 | 1964 | 11 May 2016 | 10 | Tokyo | 160 |
| Emergency Warning Code Signal Broadcasting System, 1985 | 1985 | 11 May 2016 | 10 | Tokyo | 161 |
| Development of Information Theory, 1939-1967 | 1939 | 17 May 2016 | 1 | Boston | 162 |
| American Standard Code for Information Interchange ASCII, 1963 | 1963 | 19 May 2016 | 1 | | 163 |
| Trans-Atlantic Telephone Fiber-Optic Submarine Cable (TAT-8), 1988 | 1988 | 19 May 2016 | 1 | | 164 |
| Ampex Videotape Recorder, 1956 | 1956 | 10 June 2016 | 6 | | 165 |
| Grand Central Terminal Electrification, 1906-1913 | 1906 | 15 June 2016 | 1 | | 166 |
| Germany’s First Broadcast Transmission from the Radio Station Königs Wusterhausen, 1920 | 1920 | 16 July 2016 | 8 | Germany | 167 |
| Keage Power Station: The Japan’s First Commercial Hydroelectric Plant, 1890-1897 | 1890 | 11 September 2016 | 10 | | 168 |
| Weston Meters, 1887-1893 | 1887 | 23 September 2016 | 1 | | 169 |
| Dadda's Multiplier, 1965 | 1965 | 26 September 2016 | 8 | Italy | 170 |
| First Public Demonstration of Television, 1926 | 1926 | 26 January 2017 | 8 | | 171 |
| SHAKEY: The World’s First Mobile Intelligent Robot, 1972 | 1972 | 16 February 2017 | 6 | | 172 |
| Map-Based Automotive Navigation System, 1981 | 1981 | 2 March 2017 | 10 | Tokyo | 173 |
| Invention of a Temperature-Insensitive Quartz Oscillation Plate, 1933 | 1933 | 6 March 2017 | 10 | Tokyo | 174 |
| Public Demonstration of Online Systems and Personal Computing, 1968 | 1968 | 19 March 2017 | 6 | | 175 |
| Gotland High Voltage Direct Current Link, 1954 | 1954 | 15 May 2017 | 8 | | 176 |
| Zenit Parabolic Reflector L-band Pulsed Radar, 1938 | 1938 | 31 May 2017 | 8 | | 177 |
| Nobeyama 45-m Telescope, 1982 | 1982 | 14 June 2017 | 10 | Tokyo | 178 |
| The Discovery of the Principle of Self-Complementarity in Antennas and the Mushiake Relationship, 1948 | 1948 | 27 July 2017 | 10 | Sendai | 179 |
| First Atomic Clock, 1948 | 1948 | 8 August 2017 | 2 | Washington | 180 |
| Object-Oriented Programming, 1961-1967 | 1961 | 27 September 2017 | 8 | | 181 |
| First Exploration and Proof of Liquid Crystals, 1889 | 1889 | 11 October 2017 | 8 | Germany | 182 |
| Development of CDMA for Cellular Communications, 1989 | 1989 | 7 November 2017 | 6 | | 183 |
| Superconducting Magnet System for the Fermilab Tevatron Accelerator/Collider, 1973-1985 | 1973 | 13 November 2017 | 4 | Chicago | 184 |
| Outdoor large-scale color display system, 1980 | 1980 | 7 March 2018 | 10 | Fukuoka | 185 |
| Electric Lighting Of The Kingdom of Hawaii 1886-1888 | 1886 | 23 March 2018 | 6 | Hawaii | 186 |
| Amorphous Silicon Thin Film Field-Effect Transistor Switches for Liquid Crystal Displays, 1979 | 1979 | 5 April 2018 | 8 | | 187 |
| Birthplace of Silicon Valley, 1956 | 1956 | 15 August 2018 | 6 | | 188 |
| Moore's Law, 1965 | 1965 | 15 August 2018 | 6 | | 189 |
| The First Two-Dimensional Nuclear Magnetic Resonance Image (MRI), 1973 | 1973 | 5 September 2018 | 1 | | 190 |
| French Transatlantic Telegraph Cable of 1898 | 1898 | 6 September 2018 | 1
8 | France | 191 |
| First Studies on Ring Armature for Direct-Current Dynamos, 1860-1863 | 1860 | 4 December 2018 | 8 | Italy | 192 |
| Salvá's Electric Telegraph, 1804 | 1804 | 17 May 2019 | 8 | | 193 |
| Detection of Radar Signals Reflected from the Moon, 1946 | 1946 | 17 May 2019 | 1 | | 194 |
| DIALOG Online Search System, 1966 | 1966 | 23 May 2019 | 6 | | 195 |
| SCR/Thyristor, 1957 | 1957 | 14 June 2019 | 1 | | 196 |
| Apollo 11 Lunar Laser Ranging Experiment (LURE), 1969 | 1969 | 1 August 2019 | 6 | | 197 |
| Superconductivity at 93 Kelvin, 1987 | 1987 | 19 August 2019 | 3 | | 198 |
| Polymer Self-Regulating Heat-Tracing Cable, 1972 | 1972 | 28 August 2019 | 6 | | 199 |
| Human Rescue Enabled by Space Technology, 1982 | 1982 | 9 September 2019 | 7 | Ottawa | 200 |
| Standardisation of the Ohm, 1861-1867 | 1861 | 17 September 2019 | 8 | | 201 |
| Parkes Radiotelescope, 1969 | 1969 | 11 October 2019 | 10 | | 202 |
| Radar Predecessor, 1904 | 1904 | 19 October 2019 | 8 | Germany | 203 |
| WaveLAN, Precursor of Wi-Fi, 1987 | 1987 | 29 October 2019 | 8 | Benelux | 204 |
| Czochralski Process, 1916 | 1916 | 14 November 2019 | 8 | Germany | 205 |
| HEMT, 1979 | 1979 | 18 December 2019 | 10 | Tokyo | 206 |
| Demonstration of the ALOHA Packet Radio Data Network, 1971 | 1971 | 13 October 2020 | 6 | Hawaii | 207 |
| Piezoelectric Oscillator, 1921-1923 | 1921 | 5 November 2020 | 1 | | 208 |
| MPD7720DSP, 1980 | 1980 | 15 December 2020 | 10 | Tokyo | 209 |
| First Large-Scale Fingerprint ID, 1982 | 1982 | 15 December 2020 | 10 | Tokyo | 210 |
| Rotating Fields and Early Induction Motors, 1885-1888 | 1885 | 21 January 2021 | 8 | Italy | 211 |
| Gravitational-Wave Antenna, 1972-1989 | 1972 | 3 February 2021 | 5
6
8 | Baton Rouge
Italy | 212 |
| BASIC Computer Language, 1964 | 1964 | 22 February 2021 | 1 | | 213 |
| Fiber Optic Connectors, 1986 | 1986 | 5 March 2021 | 10 | Tokyo | 214 |
| Inverter-Driven Air Conditioner, 1980-1981 | 1980 | 16 March 2021 | 10 | | 215 |
| Giant Metrewave Radio Telescope, 1994 | 1994 | 30 March 2021 | 10 | Pune | 216 |
| Multiple Technologies on a Chip, 1985 | 1985 | 18 May 2021 | 8 | Italy | 217 |
| Folsom Powerhouse, 1895 | 1895 | 13 July 2021 | 6 | | 218 |
| RCA Central, 1921 | 1921 | 5 November 2021 | 1 | | 219 |
| Rationalization of Units, 1901-1902 | 1901 | 15 December 2021 | 8 | Italy | 220 |
| Calcutta Electric Supply Corp, 1899 | 1899 | 18 December 2021 | 10 | Kolkata | 221 |
| String Galvanometer, 1901-1905 | 1901 | 8 April 2022 | 8 | Benelux | 222 |
| Handheld Digital Camera, 1975 | 1975 | 26 April 2022 | 1 | | 223 |
| Active Shielding of Superconducting Magnets, 1984-1989 | 1984 | 16 June 2022 | 8 | | 224 |
| Manchester University "Baby" Computer and its Derivatives, 1948-1951 | 1948 | 21 June 2022 | 8 | | 225 |
| Atlas Computer and the Invention of Virtual Memory, 1957-1962 | 1957 | 21 June 2022 | 8 | | 226 |
| The Trans-Canada Microwave System, 1958 | 1958 | 1 July 2022 | 7 | Canadian Atlantic | 227 |
| QR (Quick Response) Code, 1994 | 1994 | 26 September 2022 | 10 | | 228 |
| Budapest Metroline No.1., 1896 | 1896 | 20 October 2022 | 8 | | 229 |
| Alvin Deep-Sea Research Submersible, 1965-1984 | 1964 | 21 October 2022 | 1 | | 230 |
| First Computerized Tomography (CT) X-ray Scanner, 1971 | 1971 | 26 October 2022 | 8 | | 231 |
| Development of Computer Graphics and Visualization Techniques, 1965-1978 | 1965 | 24 March 2023 | 6 | | 232 |
| The Birth of Electrodynamics, 1820-1827 | 1820 | 3 April 2023 | 8 | France | 233 |
| IEEE Standard 754 for Binary Floating-Point Arithmetic, 1985 | 1985 | 3 May 2023 | 6 | | 234 |
| First Demonstration of a Fibre Bragg Grating, 1978 | 1978 | 11 August 2023 | 7 | Ottawa | 235 |
| First Geographic Information System (GIS), 1962-1968 | 1962 | 11 August 2023 | 7 | Ottawa | 236 |
| MPEG Multimedia Integrated Circuits, 1984-1993 | 1984 | 28 September 2023 | 8 | France | 237 |
| Perpendicular Magnetic Recording, 1977 | 1977 | 9 October 2023 | 10 | Sendai | 238 |
| First Robotic Control from Human Brain Signals, 1988 | 1988 | 10 October 2023 | 8 | | 239 |
| TRON Real-time Operating System Family, 1984 | 1984 | 14 October 2023 | 10 | Tokyo | 240 |
