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775th anniversary: Pope Innocent IV issued the papal bull Ad extirpanda, authorizing the use of...

Sat, May 15, 2027

in 6 mo

Source

In 1252, Pope Innocent IV issued the papal bull Ad extirpanda, authorizing the use of torture on heretics during the Medieval Inquisition.

Also on May 15, 2027

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 775 years (1252 to 2027).
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annual
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None recorded.