World at War  /  Conflicts  /  Recorded History
World at War

Second Sino-Japanese War

1937–1945 East Asia Status: ended Casualties: ~25 million

Japan's full-scale invasion of China. The Nanjing Massacre (1937) killed ~200,000–300,000 civilians. One of the deadliest conflicts of the 20th century; merged with WWII after Pearl Harbor.

Open on the interactive globe →

Belligerents

  • Imperial Japan
  • Republic of China
  • Communist Party of China

Casualties

~25 million

From World at War, an interactive atlas by Jairus Pereira. Figures are approximate, drawn from Wikipedia, UCDP, ACLED and academic sources — a design artefact, not an authoritative register. Contact.