Wikipedia:Selected anniversaries/July 6
- 1253 – Mindaugas, the first known grand duke of Lithuania, was crowned king, becoming the only person ever to hold that title.
- 1801 – French Revolutionary Wars: A Royal Navy squadron attempted to eliminate a smaller French Navy squadron at Algeciras before they could join their Spanish allies.
- 1940 – The Story Bridge (pictured) in Brisbane, the longest cantilever bridge in Australia, was opened by Sir Leslie Wilson, Governor of Queensland.
- 2013 – In the first fatal accident involving a Boeing 777 airliner, Asiana Airlines Flight 214 crashed on final approach to San Francisco International Airport, resulting in three deaths.