time line 1790 - 1820 By devinekiller86 Jan 1, 1790 First U.S. Census Counted the population of the U.S. There were 4 million people. Most lived east of the Appalacian Mountains and along the east coast. Jan 1, 1791 Western Settlement The Western U.S. grew by 2 million as people continued to move west of the Appalacian Mountains and established homesteads. These new settlers now had good land to farm. Jan 1, 1794 Cotten Gin The gin was invented by Eli Whitney. This machine removed the seeds from the cotton fiber much faster than it being done by hand. This helped the cotton industry grow. Jan 1, 1800 High Pressure Steam Engine This engine powered trains and steam boats. This helped increase travel paths and decrease travel time. Goods could be moved across more of the country and sold to more people. Jan 1, 1801 Jacquad Loom Joseph Marie Jacquard discovered this. This mechanical loom simplified the process of manufacturing textiles. Jan 1, 1802 Arc Lamp It helped give light at night. Humphry Davy invented the arc lamp. Jan 1, 1804 Morphine This pain killer was used on soldiers during the war. Friedrich Sertürner discovered this first. Jan 31, 1804 Steam Locomotive Matthew Murray invents a steam locomotive which runs on timber rails. This is probably the first railroad engine. Jan 1, 1807 Steam Boat The Steam Boat was developed by Robert Fulton. This boat allowered travelers to go both up and down the river with their goods to sell. Jan 1, 1820 2nd Census The second census was taken in 1820. It showed that the population of the western settlement had increased to 4 million people. The whole population of the U.S. was now at 10 million.