XX CENTURY By EduardoZG Feb 5, 1917 They signed the Mexican Constitution May 21, 1920 Carranza was killed Mar 18, 1938 President Cárdenas nationalizaed the Mexican oil industry Sep 1, 1939 The 2nd World War began officially Nov 3, 1957 Sputnik 2 was launched The female dog Laika was the only crew. Jul 20, 1969 Man reached the moon Neil Armstrong was the 1st man on the moon.
