100% verified The same day, three eras.

12 April

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Contemporary era

1961

First human in space

On 12 April 1961, Soviet cosmonaut Yuri Gagarin became the first human in space.

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Contemporary era

1861

American Civil War begins

On 12 April 1861, the bombardment of Fort Sumter opened the American Civil War.

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From the Middle Ages to the Enlightenment

1204

Sack of Constantinople

On 12 April 1204, the Fourth Crusade sacked Constantinople.

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