74 years ago, in 1952:

The Abee meteorite lands in Alberta, Canada; the only enstatite chondrite with petrologic type 4 ever found.

46 years ago, in 1980:

Soyuz T-2 undocks from Salyut 6 and returns to Earth.

41 years ago, in 1985:

The Soviet Vega 1 probe releases its balloon and lander for descent on Venus, then continues on to Halley's Comet.