jan 1, 1226 - ✎ 12. Teutonic Order moved to Poland in 1226

Description:

1. Poland had a problem.
2. Poland invited the Teutonic Order to help
3. The Teutonic Order accepted and moved in (1226)
4. Their arrival launched the Prussian Crusade to conquer and convert the Old Prussians.

After being expelled from Transylvania in 1225, the Teutonic Order moved to Poland in 1226 to fight the pagan Prussians, launching the Prussian Crusade and eventually creating their own state

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