The US Department of Foreign Affairs, the fledgling nation’s first federal agency, was established.
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Oliver Cromwell's forces from Cambridgeshire and forces from Nottingham met near Gainsborough, ready to battle the following day in the Battle of Gainsborough.
The Geneva Convention on Prisoners of War was signed in Geneva, Switzerland.
The Battle of Bouvines began.
The first recorded example of having to 'quarantine' was written by The Ragusan Republic.
Martin Luther King Jr. was jailed while performing a public prayer at the city hall in Albany, Georgia, US.
