Days Owners
Days Owners

© 2026 Days Owners

1 visit this month

May 18 has no owner yet

Historical events & facts — May 18

What happened on May 18?

On May 18, 1980, the *Mount St. Helens* volcano in *Washington* state (US) erupted in the largest volcanic eruption in recent North American history: the lateral explosion flattened 600 km² of forest, killed 57 people and sent an ash column 24 km high. The eruption reduced the volcano's summit by 400 metres and covered several northwestern US cities in ash.
🌋1980

On May 18, 1980, the Mount St. Helens volcano in Washington state (US) erupted in the largest volcanic eruption in recent North American history: the lateral explosion flattened 600 km² of forest, killed 57 people and sent an ash column 24 km high. The eruption reduced the volcano's summit by 400 metres and covered several northwestern US cities in ash.

On May 18, 1868, *Tsar Nicholas II* of Russia was born at *Tsarskoye Selo* — the last Russian emperor, whose abdication in 1917 ended the 300-year *Romanov dynasty*. Succeeding to the throne in 1894, Nicholas led Russia through the *Russo-Japanese War*, the *1905 Revolution* and *World War I*, finally abdicating during the *February Revolution* of 1917. He was executed along with his family in Yekaterinburg in July 1918.
🎨1868

On May 18, 1868, Tsar Nicholas II of Russia was born at Tsarskoye Selo — the last Russian emperor, whose abdication in 1917 ended the 300-year Romanov dynasty. Succeeding to the throne in 1894, Nicholas led Russia through the Russo-Japanese War, the 1905 Revolution and World War I, finally abdicating during the February Revolution of 1917. He was executed along with his family in Yekaterinburg in July 1918.

On May 18, 1974, *India* detonated its first nuclear bomb — named *"Smiling Buddha"* — in the *Rajasthan* desert, becoming the sixth country in the world with nuclear weapons. The test, which India called a *"peaceful nuclear explosion"*, alarmed *Pakistan* and triggered the Pakistani nuclear programme. Both countries would conduct simultaneous nuclear tests in 1998.
📺1974

On May 18, 1974, India detonated its first nuclear bomb — named "Smiling Buddha" — in the Rajasthan desert, becoming the sixth country in the world with nuclear weapons. The test, which India called a "peaceful nuclear explosion", alarmed Pakistan and triggered the Pakistani nuclear programme. Both countries would conduct simultaneous nuclear tests in 1998.

Notable birthdays — May 18

Famous people born on May 18

Simon Kahquados

Simon Kahquados

Simon Kahquados, born Kakanisaiga, was a leader of the Potawatomi people in Wisconsin, United States, and played a pivotal role in creating the federally recognized Forest County Potawatomi Community.

Walter Sisulu

Walter Sisulu

Walter Max Ulyate Sisulu was a South African anti-apartheid activist and member of the African National Congress (ANC). Between terms as ANC Secretary-General (1949–1954) and ANC Deputy President (1991–1994), he was Accused No.2 in the Rivonia Trial and was incarcerated on Robben Island where he served more than 25 years' imprisonment for his anti-Apartheid revolutionary activism.

Ray Nagel

Ray Nagel

Raymond Robert Nagel was an American football player, coach, and college athletics administrator. He was the head football coach at the University of Utah from 1958 to 1965 and the University of Iowa from 1966 to 1970, compiling a career college football coaching record of 58–71–3 (.455).

H. D. Deve Gowda

H. D. Deve Gowda

Haradanahalli Doddegowda Deve Gowda is an Indian politician who served as the Prime minister of India for nearly 11 months, from 1996 to 1997. He previously served as the Chief minister of Karnataka from 1994 to 1996 and as a Member of Parliament (MP) in the Lok Sabha.

Malcolm Longair

Malcolm Longair

Malcolm Sim Longair is a British physicist. From 1991 to 2008 he was the Jacksonian Professor of Natural Philosophy in the Cavendish Laboratory at the University of Cambridge. Since 2016 he has been editor-in-chief of the Biographical Memoirs of Fellows of the Royal Society.

Acquire this day
How it works

01

Own a unique day

Your birthday, the date that changed everything. One owner per day. Claim yours and let the world know.

02

Your day, your showcase

A worldwide public page that represents you. The more special you make it, the greater the impact.

03

Guaranteed return

Every time it changes hands, the price rises. You always get back more than you paid — or keep it forever.

←Previous dayMay 17Next dayMay 19→