e first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

Very popular from 1900 until the 1920's, the renewed interest in ceiling fans began when the energy crisis in 1974 forced homeowners to look for alternative methods of heating and cooling.

Very popular from 1900 until the 1920's, the renewed interest in ceiling fans began

The renewed interest in ceiling fans, which were very popular form 1900 until the 1920's began

After they were very popular from 1900 until the 1920's, the renewed interest in ceiling fans was beginning

Ceiling fans were very popular from 1900 until the 1920's, with renewed interest beginning in them