Mar. 24, 1883 - Long-distance telephone service was established between Chicago and New York City.
1939 - TThe chief of field artillery, Maj. Gen. Robert M. Danford, tasked the Field Artillery School to develop a mobilization plan for training field artillery officers and soldiers in the event of war.
1944 - During World War II, 76 Allied officers escaped Stalag Luft 3. In 1949, Paul Brickall authored “The Great Escape.” The story of Jackson Barrett Mahon, an American fighter pilot, and the Allied POW escape. The 1963 film “The Great Escape” starred Steve McQueen and was based on the true story.
1953 - On the night of Mar. 23, elements of the Chinese army's 67th Division and 141st Division launched ground assaults on Old Baldy, Pork Chop and Hill 191 during the Korean War. The next day, the 7th Infantry Division artillery was engaged in an artillery duel with the Chinese while infantry combat was sometimes hand-to-hand. On Mar. 24, the 2nd Infantry Division’s artillery units began support of the embattled 7th Infantry Division on Pork Chop Hill, and fired 15,000 rounds in one week.