1550, on some hypothetical cornerstone

• Half of MMMC
• Caesar's 1,550
• Year in the life of Nostradamus
• Midcentury year
• Year Nostradamus's first almanac was written
• Middle of 16th century
• Year in the reign of Edward VI
• Roman 1,550
• Start of Julius III's papacy

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MDL (the MIT Design Language) is a descendant of the Lisp programming language . Its initial purpose was to provide high level language support for the Dynamic Modeling Group at MIT 's Project MAC . It was initially developed in 1971 on the PDP-10 computer ...