Wikipedia:Selected anniversaries/June 3
June 3: Trinity Sunday in Western Christianity (2007).
- 350 - Roman usurper Nepotianus of the Constantinian dynasty proclaimed himself Roman Emperor, entering Rome with a group of gladiators.
- 1940 - World War II: The remaining Allied forces protecting the Dunkirk evacuation surrendered, giving the Germans a tactical victory in the Battle of Dunkirk.
- 1992 - The High Court of Australia delivered its landmark legal decision in Mabo v Queensland, recognising the land rights of the Aborigines.
- 1998 - An InterCityExpress high-speed train derailed near Eschede, Lower Saxony, Germany (wreckage pictured), causing 101 deaths and 100 injuries.
- 2006 - Montenegro declared its independence, ending the union of Serbia and Montenegro.