Inventor Thomas Savery patented the first steam engine in England.
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Inventor Benjamin J. Lane patented the first self-contained gas mask.
Martin Luther was almost struck by lightning and became a monk.
The first Earl of Shaftesbury, Anthony Ashley Cooper, was arrested for high treason in England.
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.
The International Astronomical Union named Pluto's fourth and fifth moons Kerberos and Styx.
