04/08 – The Siege of Leningrad

Russian schoolgirls keep an eye out for German bomber aircraft during the Siege of Leningrad. Over the course of the encirclement, the line between civilian and soldier became increasingly blurred. (Wikimedia Commons) On this day in 1942, a rail line was opened by the Soviet Red Army into the besieged Russian city of Leningrad, enabling…

03/09 – The Fall of the Dutch East Indies

An IJA "banzai" charge on Manado, Indonesia, sometime in 1942. (Reddit) On this day in 1942, Dutch troops on Indonesia - then known as the Dutch East Indies - surrendered to Japanese forces. Beginning one day after the assault on Pearl Harbour in December of the following year, the Imperial Japanese Army (IJA) launched a…

12/10 – Raczyński’s Note

A copy of Raczyński's Note. (Polish Government) On this day in 1942, the Polish government-in-exile delivered Raczyński's Note - an official report on the Holocaust - to 26 Western governments engaged in WWII. Polish resistance member Jan Karski had smuggled secret information documenting Nazi war crimes to London, where it was reviewed by horrified Polish…

12/04 – Carlson’s Patrol

Marine Raiders in 1944 in the Solomon Islands. (USMC) On this day in 1942, Carlson's Patrol - an operation by the US Marine Corps 2nd Raider Battalion - ended. Beginning in December of 1941, the Allies (led by the US Marines) had been fighting their way through the Pacific, "island-hopping" towards mainland Japan. The patrol,…

12/02 – Chicago Pile-1

Women "human computers" working on the Manhattan Project. (Flickr) On this day in 1942, Chicago Pile-1 (or CP-1) initiated the first self-sustaining nuclear chain reaction under the football grandstands at Chicago University. The very first successful nuclear reactor, CP-1 was built by a team of brains led by Enrico Fermi, an American physicist. While CP-1…