| Date |
Event |
| 1800 |
Washington - U.S. Capital |
| 1800 |
Suspension Bridge - James Finley |
| 1800 |
Voltaic Pile (battery) - Alessandro Volta |
| 1801 |
Electric Lamp - Arc 0 Humphrey Davy |
| 1803 |
Louisiana Purchase |
| 1804 |
Steam Locomotive - Richard Trevithick |
| 1807 |
Successful Steamboat - Robert Fulton |
| 1809 |
Organic Evolution - Jean Lamarck |
| 1812 |
War of 1812 |
| 1808 |
Atomic Theory - John Dalton |
| 1811 |
Avogadro's Law - Amedeo Avogadro |
| 1814 |
Practical Steam Locomotive |
| 1816 |
Bicycle - Karl Sauerbronn |
| 1819 |
Simon Bolivar liberates Spanish Colonies |
| 1822 |
Brazil Independence |
| 1822 |
Electric Motor - Michael Faraday |
| 1823 |
Monroe Doctrine |
| 1823 |
Electromagnet - William Sturgeon |
| 1824 |
Mexico Independence |
| 1824 |
Internal Combustion Engine Theory - Sadi Carnot |
| 1825 |
Passenger Railroad - England |
| 1826 |
Photograph - Joseph Niepce |
| 1827 |
Ohm's Law - Greor Ohm |
| 1828 |
Electric Induction - Joseph Henry |
| 1831 |
Friction Match - Charles Sauria |
| 1832 |
Dynano - Electric Generator - Michael Faraday, Joseph Henry |
| 1833 |
Slavery Abolished - British Empire |
| 1834 |
Analitic-Engine - Computer precursor - Charles Babbage |
| 1834 |
Reaper - McCormic |
| 1836 |
San Jacinto Battle - Texas Independance |
| 1836 |
Screw Propeller - Francis Smith |
| 1837 |
Telegraph - Samuel Morse |
| 1838 |
Cell - structural unit of organisms - Theodor Schwann, Mathias
Schleiden |
| 1839 |
Photovoltalc Effect - Edmund Becquerel |
| 1839 |
Rubber - Charles Goodyear |
| 1840 |
Canada United |
| 1840 |
Ice Age - Louis Agassiz |
| 1842 |
Anesthetic - Crawford Long |
| 1842 |
Thermodynamics - 1st Law - Julius Mayer, James Joule |
| 1843 |
Thermodynamics - 2nd Law - Rudolph Clausius |
| 1845 |
Texas Annexed |
| 1846 |
War with Mexico - California, New Mexico Annexed |
| 1846 |
Sewing Machine - Elias Howe |
| 1846 |
Neptune - Johan Galle |
| 1848 |
Oregon Territory set |
| 1848 |
Kelvin Temperature Scale - William Thompson |
| 1848 |
Absolute Zero Temperature - William Thompson |
| 1849 |
Conical Bullett |
| 1850 |
Refrigerator - Alexander Twining |