Dust abacus is invented, probably in Babylonia. There is no record of this however, as it was made entirely of dust.
Chinese monks invent first sturdy wooden abacus.
Two thousand years later, the joke is still unappreciated by Eastern scholars. Humor outlawed by Catholic Church. This is where the stereotype of the Jewish 'funny man' comes from. Charles Babbage designs the first general purpose computer, The Analytical Machine , which follows instructions from punched-cards. They pee into the wind.