The Bosnian War began after a series of violent conflicts in Bosnia and Herzegovina.
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The first known animal contracted COVID-19.
England, Flanders, and Northern France experienced one of the most severe earthquakes in recorded history.
NASA launched the Pioneer 11 space probe to study the asteroid belt & the environment around Jupiter and Saturn.
The first modern international Olympic Games began in Athens, Greece.
The US declared war against Germany and its Central Powers Alliance in World War I.
