The 400th anniversary of the end of the Transatlantic Slave Trade was celebrated with the “Year of Return” in Ghana.
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The Congress of Vienna declared Kraków, Poland, a free republic state, and the Constitution of the Kingdom of Poland was signed.
British pharmacist John Walker invented the matchstick by accident.
Osiris became the first discovered exoplanet with an atmosphere.
The Hofburg fire destroyed part of the Royal Court in Vienna, Austria.
The first partial facial transplant was given to Isabelle Dinoire in France after a dog attacked her.
