may 12, 1873 - Barbed Wire Patent
In May 1873, a patent was issued for barbed wire by two Illinois farmers. This invention's purpose was to enclose ranches and prevent cattle from walking off from the ranch where they grazed. This revolutionized the Central United States, and sped up the process of civilizing the great plains.
Added to timeline:
Chapter 16 APUSH
yeah lemme get uhhhhh