In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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In 2011, there were 3 known cases around the world of twins coming from different fathers.
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A Missouri family sued the previous owners of a house that they had just bought after Brown Recluse Spiders "started bleeding out of the walls." An expert came in and estimated that the house was infested with 4,000 – 5,000 of the spiders.
2
The widow of the inventor of the Winchester rifle built a house with mazes and dead-end staircases to confuse the ghosts of the people who were killed by her husband's rifles.
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