National Submarine Day: History, Facts & Insights

This is an in-depth look at all the must-know facts about National Submarine Day (2024) 🗓️ that no one tells you about. National Submarine Day is celebrated on April 11th.

Among the information you’ll find below: the history of National Submarine Day, activities to do on and how to observe this holiday, as well as amusing facts you should know about National Submarine Day.

📅 What day is National Submarine Day 2024?

In 2024, National Submarine Day is on Tuesday, April 11th. It is the 2nd Tuesday in April; in 2024, it is Thursday. There are until the next observance. You also can explore all intriguing details and facts about April 11, 2023, that you might not be aware of.

National Submarine Day is in:

National Submarine Day, observed on April 11, celebrates the historic attainment of the USS Holland, which was the first modern commissioned submarine. This day holds great importance in the submarine community as it acknowledges the acquisition of the US Navy’s initial modern submarine. However, life on a submarine is not as glamorous as it may seem. Crews spend extended periods at sea, only returning when food supplies become scarce. Daily tasks on submarines can often be monotonous, and tensions may arise among crew members. Submariners must face challenges beyond adversaries and the vast expanse of water.

📜 National Submarine Day History

During the time, the submarine was commonly referred to as a “fish boat” due to its appearance. It had a length of 10 feet 6 inches and a diameter of 3 feet 7 inches at its widest point. In an impressive demonstration, the fishing boat was able to descend to a depth of 20 feet. The USS Alligator, created by Villeroi in 1861, met its demise in the Atlantic on April 2, 1863, after being overwhelmed by a violent storm.

The US government acquired the Holland VI, designed by Irish-American inventor John Phillip Holland, for $150,000. It was commissioned on October 12, 1900, and commanded by Lieutenant H.H. Caldwell. This submarine was considered the first modern one, as it incorporated numerous advanced features into a single vessel. These included twin propulsion systems, a fixed longitudinal center of gravity, distinct main and auxiliary ballast systems, an improved hydrodynamic design, and a contemporary armament system. On November 21, 1910, the Holland VI was decommissioned, marking a significant event in the history of the US Navy.

In 1969, Senator Thomas J. Dodd proposed a bill in the United States Senate to establish April 11 as National Submarine Day. Although there are no records of President Richard Nixon proclaiming it, the bill may have passed the Senate and been presented in the House in 1970, though the exact date remains uncertain. Nevertheless, the contributions of the Holland VI to modern warfare have been acknowledged by the US Navy and various other organizations.

National Submarine Day Facts

🔖 Women aren’t allowed
Due to the limited living conditions and lack of privacy on submarines, it is not possible for women to be assigned as part of the submarine crew.

🔖 Nuclear future
Each year, on average, families allocate approximately $700 towards purchasing school supplies, resulting in a substantial $80 billion in revenue for the school supply industry.

🔖 The subway
A submarine sandwich is a type of sandwich made by layering meats, vegetables, and spreads on a long roll of bread.

👍 Why Is National Submarine Day Important

Without the conflicts fought at sea, the path of history would be drastically different. Submarines were deployed in World War II, the Korean War, and the Indo-Pakistan War in 1971, with varied degrees of success. Modern civilization might have taken a different shape if the US Navy had not been so powerful.

Submarines are unmistakably interesting because, by definition, they are elusive. As they travel across the waterways, gathering data and executing secret tasks, these boats plunge to unimaginable depths. It’s no surprise that there are so many films about them.

The sheer power of the US Navy is stunning and commands respect. With nearly 300,000 active soldiers and another 100,000 in reserve, the United States has without a doubt the most formidable naval force in the world. Because they are at the top, they are always striving to improve their operations in order to maintain that position.

🙂 How To Observe National Submarine Day

Curate your own Naval experience

Take a tour of a real submarine
Have you ever thought about how it would be to live in a submarine? Explore an actual submarine to experience what it’s like to live underwater. You’ll get to see for yourself the various tasks performed by the crew, the challenges they face, and how submarines operate, allowing you to envision life as a submariner.

Visit a Navy museum
If you can’t visit a submarine or a navy museum, take a virtual tour from the comfort of your own home. The next best thing is online videos. Conduct your own research and deep dive into specific naval history that interests you using internet videos.If you want to relax even more, plan a submarine movie day with “The Hunt for Red October,” “U-571,” and other films to get Hollywood’s take on submarine combat.

📅 When is National Submarine Day?

2024 April 11 Thursday
2025 April 11 Friday
2026 April 11 Saturday
2027 April 11 Sunday
2028 April 11 Tuesday

See all 🔗 April holidays, including 🔗 Appreciation and other 🔗 Career holidays.

We will continue to update this page with new information and must-know facts about National Submarine Day. So be sure to check back soon.

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