Wikipedia:Selected anniversaries/June 4
June 4: Queen's Birthday in New Zealand (2007); Independence Day in Tonga.
- 1037 - Henry III became Holy Roman Emperor following the death of his father, Conrad II.
- 1615 - Forces under the shogun Tokugawa Ieyasu took Osaka Castle (pictured) in Japan.
- 1792 - Captain George Vancouver claimed Puget Sound for Great Britain.
- 1939 - The Germany ocean liner SS St. Louis, carrying 963 Jewish refugees seeking asylum from Nazi persecution, was denied permission to land in the United States, after already having been turned away from Cuba.
- 1967 - A chartered aircraft owned by British Midland Airways crashed near Stockport, Greater Manchester, United Kingdom, killing 72 passengers and crew.
- 1989 - The People's Liberation Army cracked down on the Tiananmen Square protests in Beijing.