timeline w history 2nd pd By omanazzal Jan 1, 1543 copernicus claims the universe is heliocentric Feb 12, 1764 James hargreaves invents the spinning jenny Feb 12, 1775 james watt perfects the steam engine Feb 12, 1776 adam smith publishes wealth of nations Feb 12, 1794 eli whitney invetns the cotton gin Feb 12, 1807 robert fulton invents the first steam boat Feb 12, 1833 factory act of 1833 limits work hours for women and children Feb 12, 1836 opening of the suez canal Feb 12, 1848 karl mrax writes the communist manifesto Feb 12, 1904 marie curie recieves nobel prize for her work with radioactivity and its ability to cure some diseases Feb 12, 1905 albert einstein publishes article on the theory of relativity
