Mata Hari Executed / Gregorian Calendar introduced - October 15 - a podcast by iHeartRadio & HowStuffWorks

from 2020-10-15T09:00

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Mata Hari was executed for espionage on this day in 1917. / On this day in 1582, Pope Gregory XIII introduced the Gregorian calendar, which was created as a way to reform the Julian calendar.
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