history

Events

steamboat were improved

1807 - 1820

steam powered locomotive

1820 - 1830

telegraph

1837 - 1844

oil plants and pipelines were being made

1865 - 1879

steel plants were starting to appear

1868 - 1900

electricity

1870 - 1880

telephones

1874 - 1876

automobiles

1890 - 1899

the Wright brothers were working on their plane

1899 - 1903

space exploration was being looked into

1920 - 1940