Wikipedia:Selected anniversaries/December 13
December 13: Republic Day in Malta (1974), Saint Lucy's Day.
- 1545 – Counter-Reformation: The Council of Trent, an ecumenical council convoked by Pope Paul III in response to the growth of Protestantism, opened in Trento, Italy.
- 1642 – Dutch explorer Abel Tasman became the European explorer to reach New Zealand.
- 1769 – Dartmouth College (pictured) in present-day Hanover, New Hampshire, USA was established by a Royal Charter from British King George III and became the last university founded in the Thirteen Colonies before the American Revolution.
- 1862 – American Civil War: Union forces under Maj. Gen. Ambrose Burnside suffered severe casualties against entrenched Confederate defenders at the Battle of Fredericksburg in Fredericksburg, Virginia.
- 1981 – Prime Minister Wojciech Jaruzelski declared martial law in Poland, suspended Solidarity and imprisoned many union leaders.
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