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Cornelius Drebbel
In 1620 Cornelius Drebbel created the wirst working submarine -
First Submarine Attack
During the American Revolutionary War, the first submarine attack occurs, in an attempt to bomb a British ship docked in the New York Harbor -
Civil War Submarines
Starting in 1861t, during the Civil War, the Confederates encouraged citizens to attmept to make submarines, H.L. Hunley making many advancements in submarine technology. -
20,000 Leagues Under The Sea
Popular culture had an effect on the development of submarines. Jules Verne's "20,000 Leagues Under The Sea" sparked interest among many people in the development of submarines -
Blockade of the British Isles
Germans launch the Atlantic U-boat campaign focused on blockading Britain -
Sinking of the RMS Lusitania
German U-Boat U20 sinks the passenger ship RMS Lusitania, prompting the United States to enter WWI -
Unrestricted Submarine Warfare
Germany resumes its policy of unrestricted submarine warfare, which had been paused in September of 1915 -
Implementation of Sonar
For the first time, SONAR technology is used to track submarines, sometimes up to 1500 meters deep -
Battle of the Atlantic
The Battle of the Atlantic begins in which the U-boat was the most important tool, used primarily for economic warfare. -
Breaking of the Code
The encrypted German messaging system "enigma" was broken by a group of British cryptologists called "Hut 8" led by Alan Turing -
End of the Battle of the Atlantic
The Battle of the Atlantic officially ends when Germany surrenders
