Definition: Rewrite each original sentence in order to make it easier to understand by non-native speakers of English. You can do so by replacing complex words with simpler synonyms (i.e. paraphrasing), deleting unimportant information (i.e. compression), and/or splitting a long complex sentence into several simpler ones. The final simplified sentences need to be grammatical, fluent, and retain the main ideas of their original counterparts without altering their meanings.
Input: They were then replaced by the 4th Armored Division in 1957, which was redesignated as the 1st Armored Division in 1971 and moved to Hindenburg Kaserne in Ansbach in 1972.

They were replaced by the 4th Armored Division in 1957. It was redesignated the 1st Armored Division in 1971. It moved to Hindenburg Kaserne in Ansbach in 1972.