1397 – Union of Kalmar established between Denmark, Sweden and Norway
1631 – Mumtaz Mahal dies during childbirth. Her husband, Mughal emperor Shah Jahan I, then spends more than 20 years building her tomb, the Taj Mahal
1789 – French Revolution: During the meeting of the Estates-General, the Third Estate proclaims itself the ‘National Assembly’
1916 – US troops under General Pershing march into Mexico
1990 – US Open Men’s Golf, Medinah CC: Hale Irwin wins his 3rd Open title; defeats Mike Donald at the 91st hole, the first in sudden-death, after tying the 18-hole Monday playoff
2012 – US Open Men’s Golf, Olympic Club, SF: American Webb Simpson wins his first major title, 1 stroke ahead of runners-up Graeme McDowell and Michael Thompson
2020 – First major breakthrough in treating COVID-19 using steroid dexamethasone announced by Oxford University
2024 – NBA Finals: Boston Celtics beat Dallas Mavericks 106-88 in Game 5 to clinch the club’s record 18th Championship; MVP: Boston forward Jaylen Brown