What event marks the creation of the Ranger battalions in history?

The creation of the Ranger battalions is historically marked by World War II. During this period, the necessity for specialized infantry units capable of conducting raids and extensive reconnaissance missions led to the establishment of the 1st Ranger Battalion in June 1942. These units were formed to carry out difficult and dangerous missions behind enemy lines and played significant roles in key operations throughout the conflict, demonstrating their effectiveness and paving the way for future Ranger units.

The other options reflect significant military conflicts but do not pertain to the formation of the Ranger battalions. While World War I included various specialized units, the modern concept of Rangers was not developed until World War II. The Korean War and the Vietnam War further expanded the role of Rangers, but they were already established prior to these conflicts.