Year Dedicated
|
Short Name
|
Region
|
Dedication #
|
1977
|
Vulcan Street hydroelectric plant
|
4
|
1
|
1977
|
Mill Creek Hydroelectric Plant
|
6
|
2
|
1982
|
Electrification of New York and New Haven Railroad
|
1
|
3
|
1984
|
Stanford Linear Accelerator
|
6
|
4
|
1985
|
Landing of transatlantic telegraph
|
7
|
5
|
1985
|
Reception of transatlantic radio signals
|
7
|
6
|
1985
|
Westinghouse atom smasher
|
2
|
7
|
1986
|
First Central station in South Carolina
|
3
|
8
|
1987
|
One-way police radio
|
4
|
9
|
1987
|
Two-way police radio
|
1
|
10
|
1987
|
FM police radio
|
1
|
11
|
1987
|
ENIAC
|
2
|
12
|
1988
|
Morse telegraph
|
1
|
13
|
1988
|
Ames Hydroelectric station
|
5
|
14
|
1989
|
Manufacture of transistors
|
2
|
15
|
1990
|
Transcontinental telegraph
|
5
|
16
|
1990
|
Adams hydroelectric plant
|
1
|
17
|
1990
|
Atanasoff-Berry computer
|
4
|
18
|
1990
|
MIT radiation lab
|
1
|
19
|
1991
|
Shoshone transmission line
|
5
|
20
|
1992
|
Richmond Passenger railway
|
3
|
21
|
1992
|
Alexanderson Radio alternator
|
1
|
22
|
1993
|
Alouette-Isis satellite
|
7
|
23
|
1994
|
Poulsen Arc radio transmitter
|
8
|
24
|
1994
|
KDKA radio station
|
2
|
25
|
1995
|
Yagi antenna
|
10
|
26
|
1999
|
Volta’s battery
|
8
|
27
|
1999
|
Georgetown steam/hydro plant
|
5
|
28
|
1999
|
Operational use of wireless
|
8
|
29
|
1999
|
Merril wheel balancing system
|
5
|
30
|
1999
|
First wearable cardiac pacemaker
|
4
|
31
|
2000
|
County Kerry transatlantic telegraph
|
8
|
32
|
2000
|
Opana radar
|
6
|
33
|
2000
|
Mount Fuji radar
|
10
|
34
|
2000
|
Shinkansen
|
10
|
35
|
2001
|
Chivilingo hydroelectric plant
|
9
|
36
|
2001
|
Transmission of transatlantic radio
|
8
|
37
|
2001
|
Byrd Antarctic shortwave
|
4
|
38
|
2001
|
US Naval Computing lab
|
2
|
39
|
2001
|
Color television
|
2
|
40
|
2001
|
Arecibo radio telescope
|
9
|
41
|
2001
|
Electrical technology for space launches
|
3
|
42
|
2002
|
Shannon electrification
|
8
|
43
|
2002
|
Transatlantic Transmission of TV via Satellite (TELSTAR)
|
1
|
44
|
2002
|
Transatlantic reception of TV via Satellite (TELSTAR) Plumeur-Boudeau
|
8
|
44
|
2002
|
Transatlantic television by satellite (TELSTAR) Goonhilly
|
8
|
44
|
2002
|
Work on quartz wristwatch
|
8
|
45
|
2003
|
Marconi early wireless experiments (Salvan)
|
8
|
46
|
2003
|
Franklin’s London work
|
8
|
47
|
2003
|
Panama Canal electrical installations
|
9
|
48
|
2003
|
Bletchley Park code breaking
|
8
|
49
|
2004
|
Boston electric fire alarm
|
1
|
50
|
2004
|
Alternating Current electrification Great Barrington, MA
|
1
|
51
|
2004
|
Boston Rapid transit power system
|
1
|
52
|
2004
|
Decew Falls hydroelectric plant
|
7
|
53
|
2004
|
Fleming valve
|
8
|
54
|
2004
|
Experimental Breeder Reactor
|
6
|
55
|
2004
|
Commercial quartz wristwatch
|
10
|
56
|
2004
|
Lempel-Ziv algorithm
|
8
|
57
|
2005
|
Popov’s radio work
|
8
|
58
|
2005
|
Vucje Hydroelectric plant
|
8
|
59
|
2005
|
RAMAC
|
6
|
60
|
2005
|
Taum Sauk Pumped Storage plant
|
5
|
61
|
2005
|
First 735 kV AC transmission system
|
7
|
62
|
2005
|
CERN instrumentation
|
8
|
63
|
2005
|
Nelson River HVDC
|
7
|
64
|
2005
|
Pioneering work on electronic calculators
|
10
|
65
|
2006
|
Callan’s Pioneering contributions
|
8
|
66
|
2006
|
First intelligible speech over wire
|
1
|
67
|
2006
|
Edison site at Menlo Park
|
1
|
68
|
2006
|
WEIZAC computer
|
8
|
69
|
2006
|
TAT-1 telephone cable (3 separate plaques)
|
7,8
|
70
|
2006
|
Liquid Crystal Display
|
2
|
71
|
2006
|
Development of VHS
|
10
|
72
|
2007
|
Early remote-control
|
8
|
73
|
2007
|
Railroad ticketing examining system
|
10
|
74
|
2008
|
First distant speech transmission
|
7
|
75
|
2008
|
Edison Lab and Factory at West Orange
|
1
|
76
|
2008
|
Pinawa Hydroelectric
|
7
|
77
|
2008
|
Fessenden broadcast
|
1
|
78
|
2008
|
Largest DC generating plant in USA
|
1
|
79
|
2008
|
Japanese word processor
|
10
|
80
|
2009
|
Yosami transmitting station
|
10
|
81
|
2009
|
HP-35 Hand-held electronic calculator
|
6
|
82
|
2009
|
Compact Disc Audio Player
|
8
|
83
|
2009
|
Speak and Spell
|
5
|
84
|
2009
|
Japanese electronic television
|
10
|
85
|
2009
|
Maxwell's equations
|
8
|
86
|
2009
|
Franklin "Experiments and Observations" Philadelphia
|
2
|
87
|
2009
|
Ferrite Materials
|
10
|
88
|
2009
|
First Transistor
|
1
|
89
|
2009
|
Semiconductor Integrated Circuit
|
5
|
90
|
2009
|
IBM T. J. Watson Research Lab
|
1
|
91
|
2009
|
Transpacific Reception of TV via Satellite
|
10
|
92
|
2009
|
Planar process integrated circuit
|
6
|
93
|
2009
|
Shilling early telegraph work
|
8
|
94
|
2009
|
First external pacemaker
|
7
|
95
|
2009
|
Birthplace of Internet
|
6
|
96
|
2009
|
Inception of ARPANET
|
6
|
97
|
2010
|
Kurobe Hydropower Plant
|
10
|
98
|
2010
|
Commercialization of Photovoltaic Cells
|
10
|
99
|
2010
|
Star of Laufenburg Interconnection
|
8
|
100
|
2010
|
TIROS Satellite
|
1
|
101
|
2010
|
Discovery of Radioconduction (Branly)
|
8
|
102
|
2010
|
Invention of Public-key Cryptography
|
8
|
103
|
2010
|
First TV Broadcast in Western Canada
|
7
|
104
|
2010
|
Demonstration of Working Laser
|
6
|
105
|
2010
|
Radio Astronomy Using VLBI
|
7
|
106
|
2010
|
First 16-bit Monolithic DAC
|
5
|
107
|
2010
|
TRIUMF Cyclotron
|
7
|
108
|
02/24/2011
|
Eel River HVDC Converter
|
7
|
109
|
2/4/2011
|
Mercury Spacecraft controls
|
5
|
110
|
2/20/2011
|
SPICE Circuit Simulation Program
|
6
|
111
|
4/8/2011
|
Discovery of Superconductivity
|
8
|
112
|
4/29/2011
|
Marconi’s Early Experiments in Wireless Telgraphy (Villa Griffone)
|
8
|
113
|
5/10/2011
|
Pearl Street Station
|
1
|
114
|
7/20/2011
|
Lunar Module
|
1
|
115
|
11/18/2011
|
First Satellite Broadcast to the Public
|
10
|
116
|
12/8/2011
|
Real-Time Packet Switching
|
1
|
117
|
12/12/2011
|
Apollo Guidance Computer
|
1
|
118
|
1/31/2012
|
Field Effect Electron Microscope
|
10
|
119
|
4/5/2012
|
G3 Facsimile
|
10
|
120
|
5/1/2012
|
Low Loss Optical Fiber
|
1
|
121
|
6/21/2012
|
B&O Railroad electrification
|
2
|
122
|
6/27/2012
|
LORAN
|
1
|
123
|
6/27/2012
|
Whirlwind Computer
|
1
|
124
|
6/27/2012
|
SAGE system
|
1
|
125
|
8/3/2012
|
First Reliable HV Fuse
|
4
|
126
|
8/21/2012
|
Floating Gate EEPROM
|
6
|
127
|
9/15/2012
|
Bose experiments in radio
|
10
|
128
|
9/15/2012
|
Raman Effect
|
10
|
129
|
10/22/2012
|
Bar Code
|
2
|
130
|
10/26/2012
|
First Optical Fiber Laser and Amplifier
|
1, Photonics Society
|
131
|
12/14/2012
|
Rincon del Bonete Hydroelectric
|
9
|
132
|
12/6/2013
|
Invention of Holography
|
8
|
133
|
5/7/2013
|
Krka-Sibenik Power Plant
|
8
|
134
|
10/29/2013
|
Toshiba T1100 Laptop Computer
|
10
|
135
|
15 Dec 2013
|
First AIEE Technical Meeting 1884
|
2
|
136
|
31 January 2014
|
Unidirectional Microphone
|
4
|
137
|
19 March 2014
|
Digital Image from Synthetic Aperture Radar, 1978
|
7
|
138
|
12 April 2014
|
Battery Industries in Japan, 1893
|
10
|
139
|
25 April 2014
|
Birth of CP/M Operating System,
|
6
|
140
|