Inventor Thomas Savery patented the first steam engine in England.
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Charles J. Guiteau shot US President James A. Garfield in Washington, D.C.
Martin Luther was almost struck by lightning and became a monk.
North and South Vietnam were formally reunified after more than twenty years of war.
The Salvation Army was founded in London by Methodist preacher William Booth and his wife, Catherine Booth.
A peace agreement was signed between King John of England and Prince Louis VIII of France, marking the end of the Siege of Roche-au-Moine, France.