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Lock Check Day
June 21
It’s Lock Check Day on June 21, 2026. Round up friends, learn one new thing about it, and celebrate summer-style.
Photo: Nigel Chadwick via Wikimedia Commons.

It’s Lock Check Day on June 21, 2026. Round up friends, learn one new thing about it, and celebrate summer-style.
Photo: Nigel Chadwick via Wikimedia Commons.