Complex sentence: Bertha Knight Landes (October 19,1868--November 29,1943) was the first female mayor of a major American city, serving as mayor of Seattle, Washington from 1926 to 1928.
Split into simpler sentences: Bertha Knight Landes (October 19,1868--November 29,1943) was the first female mayor of a major American city. Landes served as mayor of Seattle, Washington from 1926 to 1928.