100% verified The same day, three eras.

4 May

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Contemporary era

1970

Kent State shootings

On 4 May 1970, the National Guard killed four students at a protest at Kent State University.

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Contemporary era

1886

Haymarket affair

On 4 May 1886, a bomb went off at a labour rally in Chicago, origin of May Day.

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From the Middle Ages to the Enlightenment

1776

Rhode Island renounces the Crown

On 4 May 1776, Rhode Island became the first colony to renounce allegiance to the British Crown.

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