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A 10% off coupon for your next Escape Uranus adventure of 30 minutes or longer will be given to the first person who solves the above cryptogram, cipher, etc. The decrypted plaintext must be delivered to Escape Uranus by email to Manager@EscapeUranus.com. Enciphering will usually be by keyed Caesar cipher. However, you can and should consider all pencil-and-paper or field ciphers fair game.
HINT: A really good line of shade thrown by a famous historical person born on this day.
Last week’s was the first paragraph of the Declaration of Independence.