The violent clash at Taksim Square in Istanbul on February 16, 1969, is commonly referred to as "Bloody Sunday." During this event, a demonstration was held against the presence of the U.S. 6th Fleet in Istanbul, escalating into violence. The two individuals who were killed in the clash were Ali Turgut Aytaç and Duran Erdoğan. Their deaths highlighted the severe political tensions in Turkey at the time and are remembered as significant casualties in the broader struggle for political reform.

For more details about this historical event, you can refer to further reading materials or historical archives.