Wikipedia:Selected anniversaries/April 4
- 1581 - Francis Drake completed a circumnavigation of the globe.
- 1949 - Twelve nations signed the North Atlantic Treaty, creating NATO.
- 1968 - Martin Luther King, Jr. was assassinated.
- 1976 - Norodom Sihanouk abdicated from the role of leader of Cambodia and was arrested by the Khmer Rouge.
- 1979 - President Zulfikar Ali Bhutto of Pakistan was executed.