Property:Proposed Milestone Year
From IEEE Milestones Wiki
"
1968 +
1
1981 +
1972 - Rainer Weiss's Invention of the Gravitational Wave Antenna Used in the Large Interferometric Gravitational Observatory (LIGO) +
1972 - 1997 +
2
A
1968 - 1971. Activated June 1971 +
1965 to 1984 +
19 - 21st Centuries +
1937 +
1984 to 1989 +
1995-1998 +
1924 and henseforth +
!972 - 1980 +
1891 +