1300
Magnetic Compass
1300: Magnetic Compass
1280
Mechanical Clock
1280: Mechanical Clock
1310
Sandglass
1310: Sandglass
1492
1492: Columbus arrival in the Caribbean
1657
Pendulum Clock
1657: Pendulum Clock
1675
Royal Observatory, Greenwich
1675: Royal Observatory, Greenwich
1757
Sextant
1757: Sextant
1714
Longitude Act
1714: Longitude Act
1735
John Harrison's Sea Clocks and Watches
1735: John Harrison's Sea Clocks and Watches
1766
Nautical Almanac
1766: Nautical Almanac
1707
Wreck of the Association
1707: Wreck of the Association
1754
1754: French and Indian War (Seven Years' War)
1837
Line of Position
1837: Line of Position
1838
VOYAGE: The U.S. Exploring Expedition
1838: VOYAGE: The U.S. Exploring Expedition
1883
Standard Time
1883: Standard Time
1884
Prime Meridian
1884: Prime Meridian
1861
1861: U.S. Civil War
1926
Radio Range
1926: Radio Range
1907
Radio: Direction Finding Stations
1907: Radio: Direction Finding Stations
1913
Radio: NAA (broadcast time by radio)
1913: Radio: NAA (broadcast time by radio)
1927
Quartz Clock
1927: Quartz Clock
1903
1903: Wright brothers flight
1914
1914: World War I
1950
Inertial Navigation
1950: Inertial Navigation
1960
Transit
1960: Transit
1931
VOYAGE: Winnie Mae
1931: VOYAGE: Winnie Mae
1944
LORAN
1944: LORAN
1959
DSN
1959: DSN
1949
Atomic Clock
1949: Atomic Clock
1939
1939: World War II
1957
1957: Sputnik 1
1968
VOYAGE: Apollo 8
1968: VOYAGE: Apollo 8
1974
Gravity Assist
1974: Gravity Assist
1974
Mariner 10
1974: Mariner 10
1967
Definition of the Second
1967: Definition of the Second
1983
Soviets Shoot Down KAL Flight 007
1983: Soviets Shoot Down KAL Flight 007
1969
1969: Human lunar landing
1992
GPS Fully Operational
1992: GPS Fully Operational
2000
GPS Selective Availability Ends
2000: GPS Selective Availability Ends
2012
Curiosity
2012: Curiosity
1991
1991: Dissolution of Soviet Union