Also in 1951

• 27 of January - Nuclear testing at the Nevada Test Site begins with Operation Ranger.
• 29 of September - The first live sporting event seen coast-to-coast in the United States, a college football game between Duke and the University of Pittsburgh, is televised on NBC.
• 13 of February - Korean War: Battle of Chipyong-ni, which represented the "high-water mark" of the Chinese incursion into South Korea, commences.