What happened in history today 22nd of July?

1099: The First Crusade begins with the Siege of Jerusalem.

1209: The Fourth Crusade begins when Venetian Crusaders set sail from Venice.

1456: The Battle of Bannockburn begins. The Scots, led by Robert the Bruce, defeat the English army of Edward II.

1521: The Siege of Belgrade begins. Ottoman troops, led by Suleiman the Magnificent, attempt to capture the city from the Hungarians.

1793: Charlotte Corday assassinates Jean-Paul Marat in his bath. Corday was a supporter of the Girondins, a political faction that had been overthrown by the Jacobins.

1812: The Battle of Salamanca takes place. British troops, led by Arthur Wellesley, the Duke of Wellington, defeat the French army of Marshal Auguste Marmont.

1942: The Battle of Stalingrad begins. German troops, led by Friedrich Paulus, launch an offensive against the city of Stalingrad in the Soviet Union.

1962: The Mariner 1 spacecraft is launched. It was the first spacecraft to successfully fly past Venus.

1976: The Tangshan earthquake occurs in Hebei Province, China. The earthquake had a magnitude of 7.8 and killed an estimated 240,000 people.

2005: Terrorist attacks occur in London. Four suicide bombers detonate bombs on three Underground trains and one bus during the morning rush hour. The attacks killed 52 people and injured over 700.