U.S. President Abraham Lincoln signed the Homestead Act, which provided 160 acres of public land virtually free of charge to those who had lived on and cultivated the land for at least five years.
Taken from: https://www.britannica.com/on-this-day/May-20
The Ringling brothers opened a small circus in Baraboo, Wisconsin, and by the early 20th century they had transformed it into the Ringling Bros. and Barnum & Bailey Circus, the leading American circus.
Taken from: https://www.britannica.com/on-this-day/May-19
The comedy Shrek—with voices provided by Mike Myers, Eddie Murphy, and Cameron Diaz, among others—had its nationwide release in the United States; it went on to become the first movie to win the Academy Award for best animated feature.
Taken from: https://www.britannica.com/on-this-day/May-18