WHAT HAPPENED ON 1. APRIL
Want to find out what all happened on 1. April

Conrail takes over operations from six bankrupt railroads in the Northeastern U.S.. (1. April 1976)

The Jovian–Plutonian gravitational effect, soon revealed as an April Fools' Day hoax, is first reported by British astronomer Patrick Moore. (1. April 1976)

The Philippine College of Commerce, through a presidential decree, becomes the Polytechnic University of the Philippines. (1. April 1978)

Iran becomes an Islamic republic by a 99% vote, officially overthrowing the Shah. (1. April 1979)

Sector Kanda: Communist Party of Nepal (Mashal) cadres attacks a number of police stations in Kathmandu, seeking to incite a popular rebellion. (1. April 1986)

Margaret Thatcher's new local government tax, the Community Charge (commonly known as the "poll tax"), is introduced in Scotland. (1. April 1989)

Start of the Bosnian War. (1. April 1992)

Comet Hale-Bopp is seen passing over perihelion. (1. April 1997)

Nunavut is established as a Canadian territory carved out of the eastern part of the Northwest Territories. (1. April 1999)

An EP-3E United States Navy surveillance aircraft collides with a Chinese People's Liberation Army Shenyang J-8 fighter jet. The Navy crew makes an emergency landing in Hainan, People's Republic of China and is detained. (1. April 2001)

Former President of Federal Republic of Yugoslavia Slobodan Milošević surrenders to police special forces, to be tried on war crimes charges. (1. April 2001)

Same-sex marriage becomes legal in the Netherlands, the first country to allow it. (1. April 2001)

The Serious Organised Crime Agency, dubbed the "British FBI", is created in the United Kingdom. (1. April 2006)

Croatia and Albania join NATO. (1. April 2009)

After protests against the burning of the Quran turn violent, a mob attacks a United Nations compound in Mazar-i-Sharif, Afghanistan, resulting in the deaths of thirteen people, including eight foreign workers. (1. April 2011)