| 1890 | Diet is established |
| 1895 | 1st Sino-Japanese war |
| 1905 | Japan takes over “Greater” Korea |
| 1910 | Annex of Korea |
| 1911-1949 | Xinhai Revolution ended monarchy |
| 1914-1918 | WW1, Twenty One Demands, Paris Peace Conference |
| 1915 | Twenty One Demands |
| 1922 | Siberia Expedition |
| 1925 | Male Suffrage, Peace Preservation Law |
| 1931 | Japan takes over part of China |
| 1932 | Manchukuo established |
| 1936 | Anti-Comintern Pact w/ Germany (11/25)(Italy - 11/6/37) |
| 1938-1945 | 2nd Sino-Japanese War, Tripartite Pact, WW2 |
| 1941 | Soviet-Japanese Neutrality Pact, Japan bombs Pearl Harbor |
| Events of the Pacific WW2 | |