Electromagnetic theory, that has given us radio, radar, television and phones, was invented by James Clerk Maxwell in the 1860s.
car :)
Cat.
Between 1845 and 1850, several notable inventions emerged, including the telegraph, which revolutionized long-distance communication, and the reaper, invented by Cyrus McCormick, which transformed agriculture by improving grain harvesting efficiency. The period also saw the development of the first practical sewing machine by Elias Howe, which significantly impacted the textile industry. Additionally, the safety pin, patented by Walter Hunt in 1849, provided a simple yet effective fastening solution. These innovations played crucial roles in shaping modern society.
Tractor
It lasted from 1850 to 1864 (14 years).
There are hundreds of thousands of inventions patented every year , it would not be practical to list the here.
compromise of 1850 approved
A airplane was invented in 1903 by the Wright brothers.
telephone computer tv freezer
The canal era occurred during the 1820-1850
Trains, televisions, automobiles, airplanes, telephones, electricity,
A lot. Maybe pay attention in history class. OR read your book.