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.
(This template will categorize articles that include it into the "Timeline" category.)

1939 was the tenth and final year of the 1930s and the thirty-eighth year of the 20th century.

On Earth, World War II begins this year.[1]

When ground quakes start to shake Krypton. Jor-El, Mia and Lo-Di; members of the Kryptonian Science Council, began a scientific study of Krypton's core, and they learned that internal stresses were going to cause the planet to one day explode, although they still didn't know when.[2]

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  1. This is conjecture based on real life.
  2. As seen in the SF S1 episode The Planet-Splitter (1973).

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