Wikipedia:Selected anniversaries/May 10
May 10: Mother's Day in various countries (2005), Constitution Day in the Federated States of Micronesia.
- 1503 - Christopher Columbus and his crew became the first Europeans to visit the Cayman Islands.
- 1768 - John Wilkes was imprisoned for criticising King George III, sparking riots in London.
- 1857 - The Sepoy Rebellion broke out in colonial India, threatening the rule of the British East India Company.
- 1869 - The First Transcontinental Railroad of North America was completed with a golden spike ceremony.
- 1941 - World War II: Nazi leader Rudolf Hess parachuted into Scotland, claiming to be on a peace mission.