Activity 1 illustrated timeline By Kierraperiod5 Jun 28, 1914 Assasination of Archduke Jul 28, 1914 Austria-Hungary declares war on Serbia Jul 29, 1914 Austria bombards Serbian capital of Belgrade Jul 31, 1914 Russia and Austria mobilize their troops Aug 1, 1914 Germany declares war on Russia Aug 3, 1914 Germany declares war on France Aug 3, 1914 Britain mobilizes its troops Aug 4, 1914 Britain declares war on Germany Nov 11, 1918 World war 1 ends Jan 14, 1921 Hitler's becomes the leader of the Nazi party Jan 1, 1924 The stock market skyrockets Jan 1, 1928 The construction boom ends Jan 1, 1929 Joseph Stalin becomes the sole dictator of the Soviet Union Sep 4, 1929 US stock prices fall Oct 29, 1929 Stock market crashes Jan 14, 1931 Japan's army seizes Manchuria, China Jan 1, 1933 Unemployment rate hits 25% Jan 14, 1933 Hitler is named the Chancellor of Germany Sep 14, 1935 Italian army invades Ethiopia in Africa Oct 14, 1938 Nazis begin rounding up Jews Aug 6, 1945 Atomic bombing of Hiroshima and Nagasaki