Today in World War II History—March 15, 1943
Wednesday, March 15, 2023 by Sarah Sundin
80 Years Ago—Mar. 15, 1943: US Navy establishes numbered fleet system; fleets in the Pacific are assigned odd numbers (Third Fleet in South Pacific, Fifth Fleet in Central Pacific, and Seventh Fleet in Southwest Pacific) and those in the Atlantic even numbers (Second Fleet in Atlantic, Fourth Fleet in South Atlantic, Eighth Fleet in North Africa, and Twelfth Fleet in Europe).
President Franklin D. Roosevelt establishes Jackson Hole National Monument, which will be merged with Grand Teton National Park in 1950.