Wikipedia:Selected anniversaries/June 26
- 1740 – War of Jenkins' Ear: Spanish troops stormed the British-held strategically crucial position of Fort Mose in Spanish Florida.
- 1886 – French chemist Henri Moissan (pictured) successfully isolated elemental fluorine, for which he later won the Nobel Prize in Chemistry.
- 1907 – Organized by Vladimir Lenin and Joseph Stalin, among others, Bolshevik revolutionaries robbed a bank stagecoach in Tiflis, present-day Georgia.
- 1945 – At a conference in San Francisco, delegates from 50 nations signed a charter establishing the United Nations.
- 2003 – The U.S. Supreme Court struck down sodomy laws in the country in the landmark decision Lawrence v. Texas.