Japanese Expansion Timeline

  • Meji Constitution

    The Meji Constitution was formed by the Privy Council and the Emperor declared it as Japan's Constitution.
  • Japan Controls Korea

    Japan declared Korea had violated the Japan-Korea Treaty of Amity and invades the capital with 8,000 troops. Japan installs new government and assassinates opposition.
  • First Sino-Japanese War

    Qing Dynasty declares war on Japan after the growing tension between China and Japan (ex: ban on Japanese imported goods and Japan's control in Korea).
  • Treaty of Shimonoseki

    Treaty to end Sino-Japanese War. It allowed for increased Japanese control in China and heavily favored Japan.
  • Anglo-Japanese Alliance

    An alliance between Japan and Britain that ensured military aid either country was at war with multiple countries.
  • Russo-Japanese War

    A war between Russia and Japan over interests in Manchuria and Korea.
  • Treaty of Portsmouth

    The treaty that ended the Russo-Japanese War. Japan was heavily favored (granted land to Japan) but Japan still felt the treaty was unfair.
  • Shantung Peninsula

    Britain requested military aid from Japan during World War I so Japan took control of Tsingtao (Shantung Peninsula) and multiple German controlled colonies in the Pacific.
  • Twenty-One Demands to China

    Japan presented 21 Demands to China, which essentially gave Japan an immense amount of control over China. The Demands shortened to 13 and China was in no position to decline.
  • Paris Peace Conference

    League of Nations formed, which included Japan. League allowed for collective security. All future disputes to be handled through negotiation.
  • Five-Power Treaty

    Treaty that hindered Japan's Navy and places limitations on battleship construction/ Pacific fortifications.
  • Nine-Power Treaty

    Treaty that made Japan remove their military from Shantung Peninsula and for all nations to respect China's boundaries.
  • London Naval Conference

    Due to the Great Depression, many countries called for limitations on Navy. Japan angered because their navy could only be 69.75% size of the US/ British fleet.
  • Mukden Incident

    A bomb explodes on the Japanese controlled South Manchurian Railway. Japan uses this as a reason to control Manchuria.
  • Lytton Report

    Report investigating the Mukden Incident. It called for Japan to remove forces from Manchuria back to railway. Japan left the League of Nations.
  • Doihara Kenji-Qin Dechun Agreement

    China agrees to remove all troops from Manchuko because China was focused destroying Communism in China (CCP).
  • Chinese Garrison Army

    Japan forms the Chinese Garrison Army to control Manchurian borders. The Chinese Garrison Army continues to invade China after pro-japanese newspaper owners are murdered.
  • Formation of the Second United Front

    The KMT and CCP form an alliance to fight against Japan. They fought together as the National Revolutionary Army.
  • Marco Polo Bridge Incident

    Chinese and Japanese forces fight at the Marco Polo Bridge near Bejing. Japan demands China apologizes.
  • Second Sino-Japanese War

    After China refuses to apologize to Japan at Marco Polo Bridge, both Japan and China send military to fight in northern China. China attacks Japan at Shanghai and the Second Sino-Japanese War begins.
  • Shanghai Invasion

    Japan and China battle in Shanghai with hundreds of thousands of troops. Japan wins and controlls the city.
  • The Nanjing Massacre

    Japan invades and captures Nanjing. Thousands of civilians were raped, tortured, and killed. It is estimated that 300,000 Chinese were killed.
  • French Indochina

    Japan begins to occupy French Indochina after France was defeated by Germany. This allowed for Japan to cut off Chinese supply lines but the U.S responds by probhibiting steel and iron to be sold to Japan.
  • Pearl Harbor

    Japan launched an attack on Pearl Harbor, the main U.S naval base. U.S battleships, crusiers, and aircrafts were destroyed. Over 2,400 Americans were killed.
  • Oil Embargo

    The U.S bans the sale of oil to Japan after occupying French Indochina. The U.S was the largest supplier of oil to Japan.