Anton `` Tony '' Joseph Cermak ( , ; May 9 , 1873 -- March 6 , 1933 ) was an American politician of Czech origin who served as the mayor of Chicago , Illinois from 1931 until his assassination in 1933 .
Anton `` Tony '' Joseph Cermak ( May 9 , 1873 -- March 6 , 1933 ) was an American politician of Czech origin . He was best known as the mayor of Chicago .