Many technologies resulted from the events of WW II. A quick sample:
Blood plasma. Plastic. Duct Tape. Aviation saw huge advances (jet engines). Rocket science. Proximity fuses. Nuclear technology. Sonar. Radar. Alternative fuels such as hydrogen peroxide. Cavity magnetron, which is now used in microwave ovens. The list is a long one, this is just the tip of the iceberg.
D-Day was a pivotal turning point of World War 2
Which event at the conclusion of World War 2 initiated the Cold War?Read more: Which_event_at_the_conclusion_of_World_War_2_initiated_the_Cold_War
World War 2
The Iraq War.
world war 2
Most historians agree that the German invasion of Poland on September 1, 1939, was the event that marked the start of World War 2.
War is a social event.
because after ww2 ended it lead to the cold war
World War II was an event, not a time era.
guns
Holocaust
A lot.