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WWII (jan 1, 1939 – jan 1, 1945)

Description:

By WWII, all ships are equipped with Sonar (based on the Fessenden Oscillator). Sonar plays an even bigger role in the upcoming years allowing for innovation in health, fishing, ocean exploration, seismology, and history/archaeology

Added to timeline:

23 Apr 2021
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Date:

jan 1, 1939
jan 1, 1945
~ 6 years