July 21
356 BC – The Temple of Artemis in Ephesus, one of the Seven Wonders of the World, is destroyed by arson. 1568 – Eighty Years’ War: Battle of Jemmingen: Fernando Álvarez de Toledo, Duke of Alva defeats Louis of Nassau. 1645 – Qing dynasty regent Dorgon issues an edict ordering all Han Chinese men to...