Former President Abraham Lincoln ordered the emancipation of slaves across the US from January 1, 1863.
The change meant that some 3.5 million slaves were then free.
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'Friends' debuted on NBC and continued for ten seasons.
The ITV network launched in the UK, which became the BBC's first rival.
The last group of people was hung for witchcraft during the Salem Witch Trials in Massachusetts, US.
The European Space Agency integrated its SMART-1 spacecraft with its dedicated launching rocket.
A treaty was signed between the Old Swiss Confederacy and the House of Habsburg, ending years of conflict between the two states.
