Simplify the following text for a Grade 9 native English-speaking person.
Original: During the November Uprising of 1831 the town 's population took part in the struggles against Russia , but the town was pacified by the Russian army on February 11 , 1830 .
Simplified: In the November Uprising of 1831 the people living in the town took part in the fights against Russia , but the city was taken by the Russian army on February 11 .