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The Axis Conquers the Philippines: January 1942-July 1942

World War II Timeline: July 9, 1942-July 23, 1942

On July 13, 1942, President Franklin Roosevelt approved the creation of the Office of Strategic Services (OSS), which would later become the Central Intelligence Agency. Learn about this and the other important World War II events that occurred during the month of July 1942 below.

World War II Timeline: July 9-July 23

July 9: Teenaged diarist Anne Frank goes into hiding along with her family and friends as the Nazis begin to purge Amsterdam of its Jewish population.


July 10: In a disturbing new facet of Nazi inhumanity, 100 female Auschwitz inmates are selected for medical experimentation.

July 11: British Royal Air Force (RAF) bombers fly to Danzig to bomb U-boat pens.

July 13: President Franklin Roosevelt approves the creation of the Office of Strategic Services (OSS), the forerunner to the Central Intelligence Agency.

July 15: In the first deportation of Holland's Jews, some 2,000 are sent to Auschwitz under the guise of being relocated to a Nazi German labor camp.

Erwin Rommel must postpone his Egyptian offensive to assist two Italian divisions under Allied attack at El Alamein.

July 17: The United States begins its campaign to convince Britain to launch an invasion of mainland Europe in 1942. The British will resist, opting to build their strength for a major invasion at some unspecified future date.

July 19: The Nazi Germans attempt to limit French partisan violence by imposing a law calling for the slaughter and deportation of male family members of known "terrorists" that evade capture by Nazi authorities.

July 22: The Nazis open the Treblinka death camp outside of Warsaw, Poland. Like Belzec, Treblinka's mandate is exclusively extermination, not confinement and labor.

July 23: The Nazi German army captures some 240,000 Soviet troops at the fall of Rostov.

A German U-boat lays mines in the Mississippi River delta.

World War II Headlines

Below are more highlights and images that outline the details of World War II, including an example of an American propaganda poster.

U.S. begins production of war goods: One of the tasks facing President Franklin Roosevelt in the early days of the war was to dramatically shift the focus of American manufacturing from domestic to war goods. To oversee that process, the president called for the creation of the War Production Board, whose job would be to oversee the manufacture of war materials. The first decision of the board, which was formed in January 1942, was to ban the production of all cars and light trucks after that month. By the middle of the year, production of consumer durable goods decreased by 29 percent. America's shift to a wartime economy had begun.

U.S. materiel aids effort in Tobruk, Libya: When German commander Erwin Rommel seized Tobruk, Libya, on June 21, 1942, the United States had barely joined active combat in the western hemisphere. Nevertheless, President Franklin Roosevelt immediately saw that the Allies in North Africa needed increased American materiel. With U.S. tanks and planes, such as the American-built Glenn Martin bombers, British-led forces soon turned the tide against Rommel. But for the moment, Rommel ruled the desert.

The Colt pistol at high demand: The Colt M1911 A1 semiautomatic pistol was widely used by American personnel in all branches of service during the war. The weapon, which could easily be assembled and disassembled, featured a magazine that carried seven bullets. Its .45-caliber round had excellent stopping power at close range. In comparison to pistols used by servicemen of other countries, however, the M1911 was quite heavy and large. In order to meet the demand for the weapon during the war, nine different manufacturers were required, which posed problems with interchanging parts.

Americans fear Nazi German invasion: Adolf Hitler was the subject of many propaganda posters, such as the one shown above. They often poked fun at his speeches, but underlying this humor lay a foundation of fear for those Americans who believed it possible for Nazi Germany and Japan to bring the war to North America. Their concern was not unfounded. Nazi Germany began to develop plans for an invasion of the United States even before Adolf Hitler's declaration of war on the U.S. Some felt that Nazi Germany's invasion of the Soviet Union was just a staging ground for an attack on America.

In our final section, we'll cover the major World War II events that took place at the end of July 1942.

Learn more about the significant events and players of World War II in these informative articles: