Submarine Day is observed annually on April 11. Other than the United States, the rest of the world celebrates the day on March 17. It is a large, crewed underwater vessel that is independently operated. These were primarily used during World War I and are now used by navies mainly. Submarines are also used in military, research, search-and-rescue missions, undersea cable repairs, underwater archaeology, and also for tourism purposes. In some places in the United States, the submarine is a variety of sandwiches, a long bread filled with meat and vegetables. The sandwich is said to be called so because it resembles the shape of an underwater vessel. This day is mainly to commemorate the anniversary of the first commissioned submarine purchased by the American Government.

Never tell anyone outside my staff that the Submarine Force and the First Air Fleet were responsible for the failure at Midway. The failure at Midway was mine.” – Isoroku Yamamoto

History of Submarine Day

The day is celebrated on April 11 to honor the anniversary of the purchase of the first submarine and also for the establishment of the U.S. Submarine Force in 1900. The submarine was called the Holland VI submarine which was the first prototype of the modern submarine to work underwater. Holland VI was designed by Irish-American inventor John Phillip Holland in 1896 and was launched on May 17, 1897, in New Jersey it was later acquired by United States Navy on April 11, 1900, and was renamed USS Holland.

Submarine Day

Other Celebrations on April 11

April 11 is also celebrated as

How to Celebrate the Day

On this day, you can learn about the submarines, their history, their working mechanisms, and their various uses. One can also watch a movie that stars submarines. A fun way to observe the day is by enjoying a sub sandwich from a nearby store. You can also take a moment on this day to pay tribute to people who have lost their lives at sea for the nation. Post Pictures and share your thoughts on social media about the day by using the hashtag #SubmarineDay.

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