Japanese troops stage an attack on a railway line as a pretext to invade Manchuria
The Marco Polo Bridge Incident leads to full-scale war between Japan and China.
Japan formally joins Germany and Italy, forming the Axis powers.
Japan attacks the American naval base at Hawaii without a declaration of war.
British troops surrender in Singapore, one of the greatest Japanese victories.
A crucial naval battle in which Japan loses four aircraft carriers and loses the initiative in the Pacific
American troops conquer Saipan, bringing the Japanese homeland within reach of bombers.
American firebombs destroy large parts of Tokyo and kill tens of thousands of civilians.
The United States drops atomic bombs on two Japanese cities, with devastating consequences.
Emperor Hirohito announces the surrender of Japan, bringing World War II to an end.
A skirmish at the Marco Polo Bridge near Peking quickly escalated into a large-scale war. Japanese troops advanced through northern and central China, leading to brutal conquests such as the fall of Nanjing. This war would ultimately become intertwined with the broader Second World War and formed an enormous drain on both Japanese and Chinese forces.