sense of time By daisy vera 29,000 BCE pottery 12,000 BCE farming 12,000 BCE weaving 6000 BCE irrigation 4200 BCE the wheel 3500 BCE sailing 3400 BCE writing 3300 BCE bronze working 2550 BCE the great pyramid 1492 BCE Columbus sails to W. Indies 1450 BCE printing press (gutenberg) 1300 BCE eyeglasses 1270 BCE mechanical clock 644 BCE windmill 476 BCE fall of the roman empire 323 BCE death of alexander the great 206 BCE compass 105 BCE paper 9 BCE gunpowder 4 BCE birth of christ 3 BCE ironworking 3 BCE roman concrete 2 BCE fire 610 islam founded 1620 pilgrims land plymouth rock 1775 american independence 1780 paper currency 1804 steam locomotive 1817 bicycle 1822 photography 1831 mechanical reaper 1837 deere self-scouring plow 1844 vulcanized rubber 1858 rechargaeble battery 1864 pasteurization 1865 U.S. civil war ends 1868 typewriter 1868 phonograph 1876 telephone 1879 light bulb 1886 coca-cola 1893 diesel engine 1895 motion pictures 1899 man made fertilizer 1903 wright bros. fly 1907 fordson tractor 1908 fords model T 1914 world war 1 1917 transatlantic 1919 first radio station 1926 penicillin 1926 television 1935 nylon