1260 Qutuz, Mamluk Sultans of Egypt (1259-60), is assassinated by Baibars, a fellow Mamluk leader, who seizes power for himself
1648 Treaty of Westphalia ends The Thirty Years’ War in the Holy Roman Empire; Switzerland’s independence recognized
1929 “Black Thursday”, start of stock market crash, Dow Jones down 12.8%
1962 Cuban Missile Crisis: Soviet ships approach but stop short of the US blockade of Cuba
2008 “Bloody Friday” saw many of the world’s stock exchanges experienced the worst declines in their history, with drops of around 10% in most indices.