Wikipedia:Selected anniversaries/September 14
- 919 – A coalition of native Irish, led by Niall Glúndub, failed in their attempt to drive the Vikings of the Uí Ímair from Ireland.
- 1723 – António Manoel de Vilhena, Grand Master of the Knights Hospitaller, laid the first stone of Fort Manoel (pictured) in Malta.
- 1943 – World War II: Nazi forces began a mass extermination campaign against the civilian residents of around 20 villages on the Greek island of Crete, eventually killing more than 500 men.
- 1979 – Afghan president Nur Muhammad Taraki was overthrown and later killed, on the orders of Hafizullah Amin, who succeeded him.
- 2003 – President Kumba Ialá of Guinea-Bissau was deposed in a bloodless military coup.