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Submarine Day
April 11
April 11, 2026 brings Submarine Day — one of spring’s more delightful excuses to celebrate. Enjoy it your way.
Photo: Tim Rademacher via Wikimedia Commons.
April 11, 2026 brings Submarine Day — one of spring’s more delightful excuses to celebrate. Enjoy it your way.
Photo: Tim Rademacher via Wikimedia Commons.