In which war did the longest dogfight in history occur?

The longest dogfight in history took place during World War II, which is why it is the correct answer. This conflict featured advanced aircraft technology and large-scale aerial combat operations, leading to prolonged engagements between fighter pilots. One of the most notable instances of a lengthy dogfight occurred during the Battle of Britain and also involved various battles in the Pacific Theater, where battles between multiple aircraft could last for hours. The tactics and strategies employed by pilots during World War II contributed to the intensity and duration of these aerial battles, making it a significant period for air combat history.

While World War I, the Korean War, and the Vietnam War had notable air combat engagements, none reached the duration of the dogfights seen in World War II, which solidifies that era as particularly significant in terms of extended aerial confrontations.