Period 4 - 1900 to the Present

• 1910 - 1920 CE- Mexican Revolution
• 1905 CE- Russo-Japanese War
• 1948 CE- Creation of state of Israel
• 1949 CE- Mao Zedong comes to power in China
• 1950 - 1953 CE- Korean War
• 1914 - 1918 CE- World War I
• 1911 CE- Chinese Revolution
• 1954 CE- Vietnam defeats France, Dien Bien Phu
• 1917 CE- Russian Revolution
• 1929 CE- Start of Great Depression
• 1967 CE- Chinese Cultural Revolution
• 1979 CE- Iranian Revolution
• 1939 CE- German invasion of Poland
• 1931 CE- Japanese Invasion of Manchuria
• 1991 CE- Fall of USSR/First Gulf War
• 1945 CE- End of WWII
• 1947 CE- Partition of India & Pakistan
• 2001 - 9/11 Terror Attacks on US