2026-07-06
Week 3 of 52
History Challenge
How to play
- Examine the AI-generated image for clues
- Pick the answer that matches the historical event
- Press 1–4 to select, ↵ to confirm
- One new puzzle every Monday
Riders change horses at a remote relay station in the Nevada desert, transferring a leather saddlebag of mail in under two minutes. The service promises to carry letters from Missouri to California in just ten days. What legendary short-lived mail service is this?
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