World War II Timeline: September 1943

A dated guide to 8 documented events in September 1943, with links to individual historical records.

Dated historical records

Entries below follow the dates recorded in the WWII CHRONOS archive. Each linked title opens the original historical entry, including its source reference.

1. 1943-09-03 — Allied Invasion of Mainland Italy — Anglo-American forces land on the Italian mainland.
2. 1943-09-08 — Italian Armistice Announced — The Italian government announces an armistice with the Allies; Germany occupies much of the country.
3. 1943-09-09 — Allied Landings at Salerno — Anglo-American forces land in the Salerno area of mainland Italy.
4. 1943-09-10 — German Forces Occupy Rome — After the Italian armistice, German troops take control of Rome.
5. 1943-09-16 — Allied Forces Link Up near Salerno — Allied troops consolidate the Salerno beachhead.
6. 1943-09-25 — Red Army Retakes Smolensk — Soviet troops recapture Smolensk after offensive operations.
7. 1943-09-28 — Four Days of Naples Uprising — Residents of Naples rise against German occupation forces.
8. 1943-09-29 — Polymer Corporation Begins Industrial Production of Synthetic Rubber — Later production capacity exceeded about 36,000 t per year.

For wider context, explore the interactive historical timeline and compare events across theaters.