The first American soldiers arrived in Saudi Arabia as part of the Gulf War.
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The Valais Witch Trials started in Switzerland, making it the first witch hunt of its kind, which became much more widespread over the next few decades.
The Eden train wreck happened when a trail derailed from Denver, Colorado, to St Louis, Missouri.
George Washington created the Purple Heart medal that symbolizes military merit.
The first British troops arrived in France during World War I.
NASA's Explorer 6 satellite launched from Cape Canaveral, Florida.