This page is part of the SuperFriends timeline, or a chronology of events that took place in the SuperFriends Universe -- Earth-1A (fan name) / Earth-Thirty-Two (official designation) of the DC Multiverse.
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Gotham City skyline (A view from Cave County)

Gotham no longer thrives on coal mining and railroads by the year 1920.[1]

1920 was the twentieth year of the twentieth century and the first year of the 1920s.

By this year, Gotham City, which had been thriving on coal and railroads, was beginning to decline in the new age of petroleum and automobiles.[2]

The prohibition era began in the United States this year.[3]

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  1. As seen in The Mysterious Moles (1973).
  2. As seen in The Atlas of the DC Universe (1990).
  3. This is conjecture based on real life.

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