Franklin D. Roosevelt (1882–1945) was the 32nd President of the United States, serving from March 4, 1933, to April 12, 1945. A Democrat, he led the nation through the Great Depression and most of World War II.
Roosevelt reshaped the federal government's role in the economy through the New Deal, creating programs and institutions such as Social Security, the FDIC, and large-scale public works to relieve unemployment and stabilize finance.
He also guided the United States through World War II, overseeing mobilization, Lend-Lease, and Allied cooperation; his four-term presidency expanded the scope and influence of the executive branch and left a lasting global and domestic legacy, though some initiatives, like the 1937 court-packing plan, provoked controversy.
Implemented New Deal reforms including the Social Security Act; Stabilized banking and created the FDIC and SEC; Established large public works programs (WPA, CCC, TVA); Backed Lend-Lease and led U.S. mobilization in World War II; Elected to four terms, reshaping presidential precedent; Proposed 1937 Supreme Court reorganization (court-packing)
Key highlights and dated events associated with this presidency.
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U.S. Marines under Lt. Col. Merritt A. Edson repelled a large Japanese night attack on the ridge protecting Henderson Field on Guadalcanal, culminating on September 13, 1942.
On September 12, U-156 torpedoed the troopship RMS Laconia off West Africa; the U-boat then attempted to rescue survivors, including Allied prisoners of war and civilians.
Allied (primarily Australian, with U.S. support) forces defeated a Japanese amphibious assault at Milne Bay, New Guinea, ending the battle on September 7, 1942.
The British Eighth Army under Bernard Montgomery repelled Field Marshal Erwin Rommel's offensive in Egypt, with the battle concluding on September 5, 1942.
Japanese amphibious landings at Milne Bay, New Guinea, prompted counterattacks by Australian and U.S. forces, initiating a hard-fought battle that began on August 25.
A carrier battle between U.S. and Japanese naval aviation forces near the Solomon Islands resulted in significant aircraft losses and the sinking/damage of Japanese light carriers while frustrating Japanese reinforcement efforts.
Japanese forces launched a major ground assault across the Ilu River (Tenaru) against U.S. Marine positions on Guadalcanal and were decisively repulsed with heavy casualties.
On August 19, 1942, Allied forces—mainly Canadian troops—launched a large-scale raid on the German-occupied port of Dieppe in northern France, which ended in heavy Allied losses.
On August 13, 1942, the U.S. Army Corps of Engineers created the Manhattan Engineer District to manage atomic-weapons research and development work underway across the country.
Axis air, submarine, and surface attacks intensified against the British convoy (Operation Pedestal) attempting to relieve besieged Malta, causing heavy merchant and escort losses.
A Japanese cruiser force surprised Allied screening ships off Guadalcanal during the night of August 8–9, sinking several Allied heavy cruisers and inflicting heavy losses.
On August 7, 1942, U.S. Marines launched amphibious landings on Guadalcanal and nearby Tulagi in the Solomon Islands, beginning the first major Allied offensive in the Pacific against Japanese forces.