The solar eclipse of 1917 December 13http://adsabs.harvard.edu/full/1916MNRAS..76..408WAn annular solar eclipse occurred on December 13, 1936. http://en.wikipedia.org/wiki/Solar_eclipse_of_December_13,_1936
A partial solar eclipse occurred on December 13, 1974.https://en.wikipedia.org/wiki/Solar_eclipse_of_December_13,_1974
On the night of 13 December 1128, astronomers in Songdo, Korea, witnessed a red vapour that 'soared and filled the sky' from the northwest to the southwest.http://chandra.harvard.edu/edu/formal/icecore/The_Historical_Sunspot_Record.pdf
On December 13, the anniversary of the Temple of Tellus, along with a feast for Ceres, was celebratedhttp://en.wikipedia.org/wiki/Terra_(mythology)#Festivals
Saint Lucy's Day is a Christian feast day celebrated on December 13https://en.wikipedia.org/wiki/Saint_Lucy%27s_Day#13_December
The Chang'E 2 spacecraft flew by Asteroid 4179 Toutatis at ~08:27 UT, 13th December, 2012http://www.planetary.org/blogs/emily-lakdawalla/2012/12061004-toutatis-preview.htmlThe Relay 1 satellite was launched on on the 13th December 1962.http://astronomy.activeboard.com/t39872480/relay-1-satellite/The Pioneer 8 space probe was launched on December 13, 1967http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1967-123A
The last moonwalk of the Apollo program began on 13 December 1972.https://en.wikipedia.org/wiki/Apollo_17#Lunar_surface
On 13 December 1642 Abel Janszoon Tasman sighted the coast of South Island, New Zealandhttp://en.wikipedia.org/wiki/Abel_Janszoon_Tasman#New_ZealandSir Francis Drake set out on his round-the-world voyage in 1577http://en.wikipedia.org/wiki/Francis_Drake#Circumnavigation_of_the_earth_.281577-1580.29
The Duke William sank in the North Atlantic on December 13, 1758https://en.wikipedia.org/wiki/Duke_William_(ship)
The Battle of the River Plate was the first naval battle in the Second World War in 1939.https://en.wikipedia.org/wiki/Battle_of_the_River_Plate#Battle
The Clerkenwell explosion was a bombing in London carried out on 13 December 1867.https://en.wikipedia.org/wiki/Clerkenwell_explosion
Dartmouth College was established on the 13 December 1769https://en.wikipedia.org/wiki/Dartmouth_College
The Mount Wilson Observatory 60-inch diameter reflecting telescope was first tested on December 13, 1908http://apod.nasa.gov/apod/ap081213.html
UN General Assembly resolution 1348 (XIII) of 13 December 1958 (The United Nations Office for Outer Space Affairs was initially created)https://en.wikipedia.org/wiki/United_Nations_Office_for_Outer_Space_Affairs
Hans-Joachim Marseille (13 December 1919 - 30 September 1942) was a Luftwaffe fighter pilothttp://en.wikipedia.org/wiki/Hans-Joachim_MarseilleKristian Olaf Birkeland (13 December 1867 - 15 June 1917) was a Norwegian scientist.http://en.wikipedia.org/wiki/Kristian_BirkelandNicholas Kollerstrom (born 13 December 1946) is an English writer and historian of science. http://en.wikipedia.org/wiki/Nicholas_Kollerstrom
Robert Plot (13 December 1640 - 30 April 1696) was an English naturalisthttps://en.wikipedia.org/wiki/Robert_Plot
Johann Wolfgang Döbereiner (13 December 1780 - 24 March 1849) was a German chemisthttps://en.wikipedia.org/wiki/Johann_Wolfgang_D%C3%B6bereiner
Franz Ulrich Theodor Aepinus (December 13, 1724 - August 10, 1802) was a German and Russian Empire natural philosopher. https://en.wikipedia.org/wiki/Franz_Aepinus
Francesco Bianchini (13 December 1662 - 2 March 1729) was an Italian philosopher and scientist.https://en.wikipedia.org/wiki/Francesco_BianchiniPhilip Warren Anderson (born December 13, 1923) is an American physicisthttp://en.wikipedia.org/wiki/Philip_Warren_AndersonElizabeth Alexander (13 December 1908 - 1959) was a British born meteorologist and radio astronomer.http://en.wikipedia.org/wiki/Elizabeth_Alexander_(astronomer)Axel Vilfred Nielsen (13 December 1902 - 24 February 1970) was a Danish astronomerhttp://en.wikipedia.org/wiki/Axel_NielsenSir William Hunter McCrea (13 December 1904, Dublin - 25 April 1999) was an English astronomerhttp://en.wikipedia.org/wiki/William_McCrea_(astronomer)Johann von Lamont (December 13, 1805 - August 6, 1879) was a Scottish-German astronomer http://astronomy.activeboard.com/t46717263/johann-von-lamont-1805-1879/
The Baiji was declared "functionally extinct" on 13 December 2006http://astronomy.activeboard.com/t46717214/baiji/
NGC 259 was discovered by William Herschel on the 13th December 1786. http://astronomy.activeboard.com/t55902869/ngc-259/
NGC 474 was discovered by William Herschel on the 13th December 1784 http://astronomy.activeboard.com/t63738738/ngc-474/
NGC 741 was discovered by William Herschel on the 13th December 1784.http://astronomy.activeboard.com/t63738775/ngc-741/NGC 1667 was discovered by Edouard Stephan on the 13th December 1884. http://astronomy.activeboard.com/t55902709/ngc-1667/
On 13 December 1920, Betelgeuse became the first star to have the angular size of its photosphere measuredhttp://en.wikipedia.org/wiki/Betelgeuse
Nova Herculis was discovered by J. P. M. Prentice of Stowmarket, Englandon December 13, 1934http://adsabs.harvard.edu/full/1935PASP...47...50S
U Orionis was discovered by John Ellard Gore on the 13th December 1885http://astronomy.activeboard.com/t47244964/u-orionis/
MeteoritesThe Wold Cottage (L6) meteorite fell in England, on the 13th December, 1795.http://astronomy.activeboard.com/t32131680/wold-cottage-meteorite/The Mässing (Howardite) meteorite fell in Bayern, Germany, on the 13th December, 1803.http://astronomy.activeboard.com/t46717189/mssing-meteorite/The Luotolax (Howardite) meteorite fell in Kymi, Finland, on the 13th December, 1813.http://astronomy.activeboard.com/t46717192/luotolax-meteorite/The Vissannapeta (Eucrite) meteorite fell in Andhra Pradesh, India, on the 13th December, 1997.http://astronomy.activeboard.com/t46717191/vissannapeta-meteorite/