Talk:Timeline

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3850 BC ca fire

3800 BC ca bow & arrow

1500 BC ca sailing ships

1000 BC ca gun powder



200 BC ca compass


10 BC papermaking

700 ca printing



1712 steam engine

1794 cotton gin


1804 steam powered train


1810 printing press

1814 camera


?? concrete

1824 Portland cement

1825 electromagnet



1827 microphone


1829 typewriter

1835 calculator

1836 revolver

1837 Morse code









1838 telegraph


1839 vulcanized rubber


1845 sewing machine

1800's electricity

1856 pasteurization


1860's radio

the most significant event of the 19th century will be judged as Maxwell's discovery of the laws of electromagnetism.

1859 refrigeration


1862 machine gun


1866 torpedo


1867 dynamite

1867 typewriter

1872 mail order catalog


1873 barbed wire

1876 telephone


1876 internal combustion engine

1878 moving pictures

1878 light bulb

1879 light bulb

1880 toilet paper

1884 cash register

1884 steam turbin

1886 first auto

1886 coca cola


1887 radar


1888 AC motor and transformer

1892 diesel engine


1902 air plane

1930's TV 1950's


1939 jet emgine


1948 transistor

1959 MOSFET process (computer)


1962 Red LED

1972 Yellow LED

1994 Blue LED

2020 Tricolor LED



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