### Question
What is the definition of World War II?


### Answer
The definition of **World War II** is as follows in *10 U.S.C. § 12731*:

> the period beginning on September 9, 1940, and ending on December 31, 1946

#### Citation:
  - *10 U.S.C. § 12731*
  - Heading: **Subtitle E-Reserve Components > PART II-PERSONNEL GENERALLY > CHAPTER 1223-RETIRED PAY FOR NON-REGULAR SERVICE**

