1. The Treaty of Casco was signed on May 22, 1678, formally ending the ongoing conflict between English colonists and Native American tribes in Maine. The treaty established a code of conduct for both sides and laid the foundation for peaceful relations in the region.
2. On May 22, 1827, the first bank in Maine, the Portland Savings Bank, was chartered. This paved the way for the development of the state's banking industry and provided Mainers with easier access to financial services.
3. The Great Fires of 1947, which burned through much of Maine's forested land and destroyed several towns and villages, began on May 22 of that year. The fires continued for several days, resulting in widespread destruction and displacement of residents.
4. Maine's first state police officers began their training on May 22, 1925. Prior to that, law enforcement in the state was handled by local sheriffs and constables. The creation of a centralized police force helped to improve public safety and reduce crime.
5. On May 22, 1960, President Eisenhower signed a bill authorizing construction of the Saint Croix International Historic Site in Calais, Maine. The site commemorates the first permanent French settlement in North America and serves as a reminder of the state's rich cultural history.