National Submarine Day 2026

April 11, 2026 in the USA

April 11, 2026 is commemorated by the United States submarine community as Submarine Day, the anniversary of April 11, 1900 when the American Government purchased its first commissioned submarine, the USS Holland.

We have placed a detailed description of this event on this page: National Submarine Day 2025. For further information please stop by there!

Where is the event?
Nationwide
USA
When is the event?
Saturday, the 11th of April 2026
Only 505 days left!

More dates:

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National Submarine Day 2026 - Apr 11, 2026 – Copyright © 2024 Cute Calendar