### Question
How is the "World War II" defined?


### Answer
The term **World War II** is defined in *10 U.S.C. § 12731* as follows -

> 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**

