Original: With the help of the newly converted local tribes of Livs and Letts, the Crusaders initiate raids into part of what is present-day Estonia; the resulting ancient fight for independence lasts until 1227.
Simplified: With the help of the newly converted local tribes of Livs and Letts, the crusaders initiated raids into part of what is present-day Estonia and Estonian ancient fight for independence began (lasted until 1227).