Portal:Military history of Australia/Selected anniversaries/December/December 5
- 1939 – World War II: First official RAAF operation of World War II is carried out by No. 10 Squadron
- 1950 – Korean War: {{HMAS|Bataan|I91|6}} and {{HMAS|Warramunga|I44|2}} assist in the evacuation of Chinnampo, South Korea