When the White Ship sank, a medieval drunk boating accident, she took with her not only the heir to the throne of England, but also over 150 members of the leading families of England. This would spin the dynasty of William the Conqueror into chaos and cause a fight over the throne that no one had expected.
Ship Name: The White Ship
Ship Type: Timber Longboat
Built: 1120
Wrecked: November 25, 1120
Sources:
https://www.geni.com/projects/Wreck-of-the-White-Ship-la-Blanche-Nef-1120/24
https://www.historyhit.com/1120-white-ship-sinks-english-channel/
https://divernet.com/scuba-news/divers-find-tragic-white-ship/
https://www.readingmuseum.org.uk/blog/death-and-anarchy-white-ship-disaster
https://www.historyextra.com/period/norman/white-ship-disaster-what-happened-charles-spencer/
https://www.medievalists.net/2013/05/was-the-white-ship-disaster-mass-murder/
https://www.dailymail.co.uk/news/article-9693019/Earl-Spencer-joins-expedition-divers-evidence-wreck-White-Ship.html