
The Church of the Holy Sepulchre in Jerusalem is one of the most important spiritual sites for Christians, so it may come as some surprise that the keys to the church are entrusted to the care of two Muslim families. This tradition dates back several centuries and was reportedly instituted by Saladin, the founder of the Ayyubid dynasty, who expelled the Christian Crusaders from Jerusalem. According to the historical record, two Muslim families have been entrusted with the care of the church for over 850 years. The keys, which were created on July 15, 1149, were entrusted by the legendary Ayyubid Sultan Saladin to two Muslim families in Jerusalem. On February 10, 1187, Saladin designated the Joudeh Al-Husseini family as the only rightful keeper of the keys and authorized the Nuseibeh family to operate the doors. (via Greek Reporter)
The solution to a famous cryptographic puzzle has been sitting in a library for ten years

For 35 years, the world’s most sophisticated minds have attacked Kryptos, a sculpture at CIA headquarters, with everything in the cryptographic arsenal. Computer scientists deployed algorithms, and obsessives spent decades analyzing letter frequencies, transposition matrices, and polyalphabetic substitutions. They all failed to solve the final 97 characters carved into the sculpture’s copper sheets. Then last month, two journalists cracked it in one evening using a powerful tool in intelligence gathering: asking a librarian for some boxes. When Jarett Kobek, reading the auction announcement for Jim Sanborn’s planned sale of the solution, noticed a throwaway line about “coding charts” in the Smithsonian archives. He asked his friend Richard Byrne to request the boxes. Byrne spent September 2nd photographing papers. Sanborn had accidentally included them when archiving his materials a decade earlier. (via Why Is This Interesting)
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