On this day — May 1

a Canadian boycott against retail corporation and grocer Loblaw Companies, begins.

Sixteen army soldiers, including a driver, killed in an IED blast. Naxals targeted an anti-Naxal operations team.

beginning the Reiwa period.

The Syrian Democratic Forces (SDF) resumes the Deir ez-Zor campaign in order to clear the remnants of the Islamic State of Iraq and the Levant (ISIL) from the Iraq–Syria border.

Pope Benedict XVI.

but the bomb fails to go off.

Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia join the European Union, celebrated at the residence of the Irish President in Dublin.

In what becomes known as the "Mission Accomplished" speech, on board the USS Abraham Lincoln (off the coast of California), U.S. President George W. Bush declares that "major combat operations in Iraq have ended".

75 years after his disappearance in 1924.

The MPLA and UNITA agree to the Bicesse Accords, which are formally signed on May 31 in Lisbon.

The Royal Air Force attacks the Argentine Air Force during Falklands War.