October 31 in Military History

Workers at Edmund Hartt's shipyard in Boston attempted to launch the new frigate USS Constitution but the ship stopped partway down the slipway and refused to move further. Two additional attempts over the following weeks finally floated her on October 21. Constitution, built of live oak and white oak with extraordinarily thick hull planking, went on to serve for 228 years and remains the oldest commissioned warship afloat.

Australian Light Horsemen of the 4th Light Horse Brigade charged the Ottoman Turkish defenses at Beersheba in Palestine, galloping across open desert into rifle and machine gun fire with bayonets in hand. The audacious charge overwhelmed the Turkish garrison and captured the town's vital wells before they could be destroyed. The victory opened the way for General Allenby's advance on Jerusalem, which fell six weeks later. The charge is widely considered the last successful large-scale cavalry charge in military history.

Benito Mussolini was formally appointed Prime Minister of Italy by King Victor Emmanuel III, completing the Fascist seizure of power that had begun with the March on Rome on October 28. Mussolini would transform Italy into Europe's first one-party Fascist state, creating the template for authoritarian governments across the continent. His alliance with Hitler and disastrous entry into World War II in 1940 would lead to Italy's devastation and his own execution by partisans in April 1945.

The Battle of Britain, the first major military campaign fought entirely by air forces, came to its official end as the Luftwaffe abandoned its attempt to gain air superiority over England. The RAF's victory, achieved by fewer than 3,000 pilots against a numerically superior enemy, forced Hitler to indefinitely postpone Operation Sea Lion, the planned invasion of Britain. Churchill's tribute to "The Few" who won the battle remains one of the most famous speeches in military history.

A German U-boat torpedoed and sank the destroyer USS Reuben James in the North Atlantic, killing 115 of 159 crew, the first U.S. Navy warship lost to hostile action in World War II, five weeks before Pearl Harbor. The sinking shocked America but Congress could not bring itself to declare war.

Allied deception staff continued running Operation Bodyguard and its successor cover plans, maintaining the fictional First United States Army Group under General Patton to keep German forces tied down in the Pas de Calais long after the actual Normandy invasion. Inflatable tanks, dummy landing craft, false radio traffic, and double agents of the British Double Cross System kept roughly 15 German divisions waiting for a second landing that never came.

Royal Air Force Canberra and Valiant bombers operating from Malta and Cyprus, supported by French F-84 Thunderstreaks, struck Egyptian airfields destroying most of the Egyptian Air Force on the ground. The air offensive was the opening of Operation Musketeer, the Anglo French military intervention in the Suez Crisis following the Israeli attack on Sinai. The operation succeeded militarily but produced one of the most damaging strategic defeats in British post war history.

President Lyndon Johnson announced a complete cessation of all American air, naval, and artillery bombardment of North Vietnam, effective November 1, citing progress in the Paris peace talks. The bombing halt, coming just days before the presidential election, was a dramatic escalation of diplomatic efforts but failed to produce a breakthrough. The Vietnam War would continue for nearly five more years, and the decision became embroiled in controversy.

Indian Prime Minister Indira Gandhi was assassinated by two of her Sikh bodyguards at her residence in New Delhi. The assassination was in retaliation for Operation Blue Star, the Indian Army's June 1984 assault on the Golden Temple in Amritsar, Sikhism's holiest shrine, to remove armed militants. The killing triggered massive anti-Sikh riots across India that killed an estimated 3,000 to 8,000 people and prompted a major military security overhaul.

Indian Prime Minister Indira Gandhi was assassinated by two of her Sikh bodyguards on October 31, 1984, in retaliation for Operation Blue Star at the Golden Temple. The assassination and its political aftermath triggered the 1987-1990 Indian Peace Keeping Force deployment to Sri Lanka and shaped Indian military doctrine for the following four decades.