When did the National Service Riots happen ?
1854 - Hokkien - Teochew riots December 11 , 1950 - Maria Hertogh riots ( 18 dead , 173 injured ) May 13 , 1954 - 1954 National Service Riots ( 26 injured ) May 12 , 1955 - Hock Lee Bus Riots ( 4 dead , 31 injured ) 1956 - Chinese middle schools riots ( 13 dead , more than 100 injured ) July 12 , 1963 - Pulau Senang prison riots ( 4 dead , 5 injured ) July 21 , 1964 - 1964 Race Riots ( 36 dead , 556 injured ) 1969 - 1969 Race Riots of Singapore ( 4 dead , 80 injured ) December 8 , 2013 - 2013 Little India riot ( 27 injured )