📅 Today in HistoryMay 22

Dong Zhuo is assassinated by his adopted son Lü Bu.

Fourteenth recorded perihelion passage of Halley's Comet.

A Byzantine fleet sacks and destroys undefended Damietta in Egypt.

The Hashshashin (Assassins) attempt to assassinate Saladin near Aleppo.

King John of England and King Philip II of France sign the Treaty of Le Goulet.

Henry Raspe is elected anti-king of the Kingdom of Germany in opposition to Conrad IV.

Serbian King Stefan Uroš I and the Republic of Venice sign a peace treaty.

Brussels massacre: An estimated 13 Jews are murdered and the rest of the Jewish community is banished from Brussels, Belgium, in an anti-Semitic attack, for allegedly desecrating consecrated Host.

Pope Gregory XI issues five papal bulls to denounce the doctrines of English theologian John Wycliffe.

Start of the Wars of the Roses: At the First Battle of St Albans, Richard, Duke of York, defeats and captures King Henry VI of England.