Old clock in sand with the words: It Happend in March

Browse Historical Events by Day: What Happened on March 11th?

Discover major events and cultural milestones that happened on this day — organized by year. Dates for earlier events may be approximate.

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222 CE, March 11

Roman Emperor Elagabalus is assassinated, and Alexander Severus becomes emperor.

1000 CE, March 11

Emperor Otto III issues a document establishing the Bishopric of Gniezno, Poland, as an archbishopric. during the Congress of Gniezno which was an amicable meeting between the Polish Duke Bolesław I the Brave and Emperor Otto III. Scholars disagree over the details of others decisions made at the convention, especially whether the ruler of Poland was pledged the king's crown or not.

1113 CE, March 11

Baldwin II becomes the King of Jerusalem.

1417 CE, March 11

Pope Gregory XII resigns, ending the Western Schism in the Catholic Church.

1503 CE, March 11

Pope Julius II is elected.

1669 CE, March 11

The largest - recorded eruption of Mount Etna erupts in Sicily takes place causing considerable damage. After several weeks of increasing seismic activity that damaged the town of Nicolosi and other settlements. Several more fissures became active during 11 March, erupting pyroclastics and tephra that fell over Sicily and accumulated to form the Monti Rossi scoria cone. More

1941 CE, March 11

U.S. President Franklin D. Roosevelt signs the Lend-Lease Act, to provide military aid to Allied nations during World War II.

1985 CE, March 11

Mikhail Gorbachev becomes the General Secretary of the Communist Party of the Soviet Union.

2004 CE, March 11

Coordinated bombings in Madrid's commuter train system kill 191 people and wounding around 2,000 others. More

2010 CE, March 11

A magnitude 9.0 earthquake and tsunami strike in Japan causing the Fukushima Daiichi nuclear disaster and considerable damage in the region. The tsunami inundated about 560 km2 and resulted in a human death toll of about 19,500 and much damage to coastal ports and towns, with over a million buildings destroyed or partly collapsed. It was a rare and complex double quake giving a severe duration of about 3 minutes. An area of the seafloor extending 650 km north-south moved typically 10-20 meters horizontally. Japan moved a few metres east and the local coastline subsided half a meter. More

2011 CE, March 11

A massive earthquake and tsunami strike Japan, causing the Fukushima Daiichi nuclear disaster.

2020 CE, March 11

The World Health Organization declares COVID-19 a global pandemic due to its rapid spread worldwide.

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