1955

Events

• Scientist Albert Einstein dies.

• Astronomer Colin Gum discovers a nebula, which has formed from a supernova remnant.

• Emmett Leith's work on synthetic-aperture radar leads to the development of holography.

Alternate Timelines

• The Terran Empire of the mirror universe existed by this year, as a political party or otherwise, which eventually turned into an interstellar empire.

1954

[[20th Century]] 1950s

1956