Wikipedia:Selected anniversaries/August 21
Appearance
Ninoy Aquino Day in the Philippines.
- Instrument of Government.
- 1831 - Nat Turner led a slave revolt in Southampton County, Virginia.
- 1911 - Mona Lisa (pictured), an oil painting by Leonardo da Vinci, was stolen from the Louvre Museum in Paris.
- Axe Murder Incident in the Korean Demilitarized Zone, almost triggering a second Korean War.
- 1986 - A limnic eruption from Lake Nyos in Cameroon killed up to 1,800 people and 3,500 livestock in nearby villages.