1. Maine was officially admitted into the Union as the 23rd state on March 15, 1820. On March 22 of that same year, Maine's first governor, William King, was inaugurated in the State House in Portland.

2. On March 22, 1873, Augusta native and famous suffragist Abigail Scott Duniway gave a passionate speech in Portland advocating for women's right to vote. Duniway was a key figure in the women's suffrage movement in both Maine and Oregon.

3. In 1979, Maine's largest blizzard on record began on March 22, dumping over 27 inches of snow on Portland and causing widespread power outages and damage. The storm lasted for three days and was dubbed the "Yankee Clipper" by meteorologists.

4. The Maine State Society for the Protection of Animals was founded on March 22, 1872, in Portland. The organization is the oldest animal welfare society in the state and has been instrumental in passing laws to protect animals from cruelty and neglect.

5. March 22, 1621, is believed to be the date of the first recorded English settlement in what is now Maine. Plymouth Colony Governor William Bradford mentions in his journal that his men, led by Capt. Edward Harlow, "tooke possession" of the land near the Kennebec River. However, the settlement was short-lived, and the English did not establish a permanent presence in Maine until the mid-17th century.