Wikipedia:Selected anniversaries/April 28
April 28: Easter Monday (Eastern Christianity, 2008); Festival of Matsu in Southeast Asia (2008); International Workers' Memorial Day
- 1192 – Third Crusade: Conrad of Montferrat, the elected King of Jerusalem, was fatally stabbed by members of the Hashshashin.
- 1611 – The University of Santo Tomas in Manila, one of the oldest existing universities in Asia and one of the world's largest Catholic universities in terms of enrollment, was founded.
- 1789 – Fletcher Christian led a mutiny aboard the Royal Navy ship HMAV Bounty against its commander William Bligh (pictured).
- 1923 – London's Wembley Stadium, then known as Empire Stadium, was opened to the public for the first time and held the 1923 FA Cup Final between Bolton Wanderers and West Ham United football clubs.
- 1952 – The Treaty of San Francisco entered into force, ending the occupation of Japan by the former Allied Powers of World War II.
- 1978 – Mohammed Daoud Khan, the first President of Afghanistan, was overthrown and assassinated in a coup d'état by pro-communist supporters.
- 2001 – Dennis Tito became the world's first fee-paying space tourist, riding the Russian Soyuz TM-32 spacecraft to the International Space Station.