In 1894-95 , Marx was the Detroit estimator-at-large . In 1895 he was elected as an alderman , a position he held for eight years . In 1904 , Marx ran for City Treasurer , but was beaten . He served as a delegate to the Republican National Convention in 1908 ( and was again a delegate to the Republican National Convention in 1916 ) . In 1910 , he was appointed City Assessor , and two years later saw his first term as Detroit 's mayor . Marx served three terms in all as mayor
Republican National Convention in 1916
1916 Republican National Convention
Oscar Marx