Gustavus V, also known as Gustaf V, was the King of Sweden from 1907 until his death in 1950. During his reign, Gustavus V played an important role in maintaining Sweden's neutrality during World War I. He also supported the Social Democrats' welfare policies and initiated several important governmental reforms. Gustavus V was a beloved and respected monarch, and his reign was characterized by stability and prosperity. Synonyms for Gustavus V include Gustaf V, King Gustav V, and Gustav V of Sweden.