- December 6, 2005 - An Iranian C-130 Hercules airplane crashes into a ten-story building in a civilian area of Tehran, the capital of Iran, killing all 94 people aboard and 34 residents of the building - a total of 128 people.
- December 26, 2003 - A massive earthquake devastates southeastern Iran. 26,271 people were killed in the city of Bam.
- December 27, 1934 - Persia becomes Iran.
