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THIS DAY · PAST & FUTURE

May 18

10 major events that happened & will happen around the world
Click each number badge — tile zooms in focus, then opens Wikipedia 🔗
Top 10 · Happened & Upcoming
1

1980 Mount St. Helens Erupts

Massive volcanic eruption in Washington state, 57 killed.

🌋 Natural Disaster
2

1804 Napoleon Becomes Emperor

French Senate proclaims Napoleon Bonaparte Emperor of the French.

👑 History · France
3

1969 Apollo 10 Launches

NASA's dress rehearsal for the first Moon landing.

🚀 Space Exploration
4

1896 Plessy v. Ferguson

U.S. Supreme Court upholds "separate but equal" doctrine.

⚖️ Historic · Law
5

1974 India's First Nuclear Test

"Smiling Buddha" – India becomes a nuclear power.

☢️ Geopolitics
6

1953 First Woman Breaks Sound Barrier

Jackie Cochran pilots faster than sound.

✈️ Aviation
7

1917 U.S. Selective Service Act

Congress passes conscription law for World War I.

⚔️ Military History
8

2027 International Museum Day

Global celebration of museums and cultural heritage.

🏛️ Future
9

2027 Haitian Flag Day

Annual celebration of Haiti's flag creation in 1803.

🇭🇹 Upcoming
10

2027 HIV Vaccine Awareness Day

Global health observance for vaccine research.

💊 Health Future
Mix of history and upcoming May 18 events — click numbers for Wikipedia.
International Museum Day – celebrated every May 18 since 1977.
1896 Plessy v. Ferguson – "separate but equal" doctrine.
1944 Allies capture Monte Cassino, Italy during WWII.
1974 India's first nuclear test "Smiling Buddha".
1991 Helen Sharman – first British astronaut in space.
2027 International Museum Day, Haitian Flag Day, HIV Vaccine Awareness Day.