04/08/2026
To earn this souvenir, geocachers must have a non-Event geocache published between May 1 and 31, 2026.
Any non-Event geocache type (excluding Adventure Lab®) counts, as long as it is published between May 1 and May 31.
Remember that review times may vary! A geocaching community volunteer will typically begin reviewing your geocache within 7 days. We recommend submitting your cache for publication at least a week before the deadline.
April 6, 2026 / Shenaya Gladys West and the GPS revolution: Blue Switch Day 2026 When geocachers step outside with a GPS-enabled device, they’re tapping into decades of brilliant science and mathematics that make those coordinates possible. Behind every successful find stands a brilliant mathemati...