Simplify the following text for a Grade 4 native English-speaking person.
Original: Although there was an active economical life at the end of 19th century , and Saldus was the cultural center of the region , it got the official rights of town only in 1917 . One of the oldest building of the town is Saldus St. John 's church .
Simplified: Saldus is a town in Latvia with town rights since 1917 .