Being a Chicagoan, I have to suggest this one (with an outer-space angle). IDK if we should add the part about an Irish immigrant to the United states (and her cow) being unfairly blamed for the fire? 

FB:

The Great Chicago Fire occurred on this day in 1871. There are theories that it might have been caused by a a meteor shower https://en.wikipedia.org/wiki/Great_Chicago_Fire

T:

The Great Chicago Fire occurred on this day in 1871. There are theories that it might have been caused by a a meteor shower https://en.wikipedia.org/wiki/Great_Chicago_Fire

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Victor Grigas

Storyteller and Video Content Producer

Wikimedia Foundation

vgrigas@wikimedia.org

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