1388 - During the Battle of Buyur Lake, General Lan Yu leads a Chinese army forward to crush the Mongol hordes of Toghus Temur, the Khan of Northern Yuan.
1869 - One day after surrendering at the Battle of Hakodate, Emomoto Takeaki turns over Goryokaku to Japanese forces, signaling the collapse of the Republic of Ezo.
1896 – Khodynka tragedy: Mass panic at the coronation celebration of TsarNicholas II of Russia in Moscow results in 1,389 people being killed.
1900 – The UK declares Tonga a British protectorate.
1974 – The Warsaw radio mast is completed. It collapses on August 8, 1991.
1980 – South Korean students in Gwangju begin pro-democracy protests, which are violently crushed, killing 297.
1980 – Mount St. Helens in Washington state erupts. A large amount of destruction is caused as many trees and wildlife die, and darkness falls over the nearby area. 57 people are killed, including Harry Randall Truman, who famously refused to leave the area prior to the eruption. It is the costliest volcanic disaster in US history.
2019 - Freedom Party leader Heinz-Christian Strache resigns as Vice-Chancellor of Austria after a video emerges of him being involved in a corruption controversy; Chancellor Sebastian Kurz calls for an early election.