Scandinavia and the World

Comments #9590431:

Bye bye ambassador 4 2, 11:54pm

They were not. Danes had just one castle at Tallinn. And there was a countrywide rebellion soon after (not just against the Danes).

Anyway, if the year 1220 bothers you, take AD 1214.
The fact is, that there are no records whatsoever of finns and estonians warring between each other.