* Astronomy

On December 2, 1974 Pioneer 11 passed 42,828 kilometers above the cloud tops of Jupiter
http://astronomy.activeboard.com/t42143175/pioneer-11/

The Mars 3, Mars Orbit Insertion in 1971.
http://astronomy.activeboard.com/t46513130/mars-3-mission/

Kosmos 382 was launched on 2 December 1970
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1970-103A

Kosmos 461 was launched on 2 December 1971
http://en.wikipedia.org/wiki/Kosmos_461

Soyuz 16 was launched on 2 December 1974
http://en.wikipedia.org/wiki/Soyuz_16

The Solar and Heliospheric Observatory (SOHO) was launched on December 2, 1995 
http://en.wikipedia.org/wiki/Solar_and_Heliospheric_Observatory

STS-27 was launched on 2 December 1988
http://en.wikipedia.org/wiki/STS-27

STS-35 was launched from Kennedy Space Center in Florida on 2 December 1990.
http://en.wikipedia.org/wiki/STS-35

STS-53 was launched on 2 December 1992
http://en.wikipedia.org/wiki/STS-53

STS-61 was launched on 2 December 1993
http://astronomy.activeboard.com/t46513136/sts-61/

The Pléiades 1B satellite was launched in 2012
http://astronomy.activeboard.com/t51537749/pliades-1b/

The first self-sustaining nuclear chain reaction was initiated in Chicago Pile-1 in 1942
http://astronomy.activeboard.com/t51761082/chicago-pile-1/

Leipzig University was founded on December 2, 1409
http://en.wikipedia.org/wiki/University_of_Leipzig

The second Eddystone Lighthouse was destroyed in 1755
http://astronomy.activeboard.com/t46165473/eddystone-lighthouse/

On the 2nd December, 1934, the 200-inch mirror for the Hale Telescope was cast
http://astronomy.activeboard.com/t3212114/palomar-observatory-invite/

NGC 1641 was discovered by John Herschel on the 2nd December 1834.
http://astronomy.activeboard.com/t56577238/ngc-1641/

NGC 2675 was discovered by Heinrich Louis d'Arrest on the 2nd December 1861.
http://astronomy.activeboard.com/t55765644/ngc-2675/