Golden Age of Heroes (Earth-2: Post-Crisis)

The Golden Age is a period of time when the United States of America is full of notable heroes, including the Justice Society of America, All-Star Squadron, Freedom Fighters, and the Seven Soldiers of Victory.

History
In 1941, Charles McNider became Doctor Mid-Nite and joined the JSA.

In 2010, the Golden Age ended after the JSA's defeat in Los Angeles. However, the Golden Age was not known in distant places with an example of Blue Valley.