Portal:Military history of Australia/Selected anniversaries/April/April 12
- 1918 - World War I: The 7th and 8th Battalions hold a 14 Km section of the front near Vieux-Berguin against repeated German attack. A length of line normally held, at that time, by two full division of infantry with supporting arms.
- 1941 - World War II: Anzac Corps reformed in Greece by General Thomas Blamey.