| 1789 | Justin Morgan, the breed's foundation sire, was foaled in Springfield, Masachusetts. | 1951 | The U.S. Morgan Horse Farm was taken over by the state of Vermont becoming the University of Vermont Morgan Farm. |
| 1857 | D. C. Linsley's book Morgan Horses was published. It is the earlist book documenting the history of Justin Morgan and America's first breed. | 1952 | The Morgan Horse Show division was recognized by the American Horse Show Association. |
| 1894 | Volume I of the American Morgan Horse Register was published by Colonel Joseph Battell. | 1971 | The Morgan Horse Club, Inc. renamed the American Morgan Horse Association, Inc. |
| 1907 | The American Morgan Horse Farm was established in Weybridge, Vermont, by the U.S. Depatment of Agriculturefor the breeding and preservation of the Morgan horse. | 1973 | The first annual Grand National Morgan Horse Show was held in Detroit, Michigan. |
| 1909 | The Morgan Horse Club was formed at the Vermont State Fair. | 1976 | The AMHA was recognized as a member of the National Bicentennial Sports Alliance, and the Morgan was recognized as the Bicentennial Horse. |
| 1921 | To commemorate the 100th anniversary of the death of Justin Morgan, the Morgan Horse Club presented to the U.S. Morgan Horse Farm the Justin Morgan statue, which is still exhibited there today. | 1981 | The AMHA received an offical invitation to participate in the Presidential Inaugural Parade for President-elect Ronald Reagan. |
| 1927 | The Morgan Horse Club was incorporated as a membership corporation under the laws of the state of New York. This was the first time that certificates of registration were issued by the Morgan Horse Club. | 1982 | The First Annual Membership Convention and Seminar was held in Los Angeles, California, February 14. |
| 1939 | The first National Morgan Horse Show was held in Woodstock, Vermont. | 1985 | Morgan horses represented the United States in the World Paris DrivingChampionship in Sandringham, England. |
| 1941 | Owen Moon, Junior, of Vermont started the Morgan Horse Bulletin, now known as THE MORGAN HORSE magazine. | 1988 | The AMHA's permanent home was established in Shelburne, Vermont. |
| 1949 | Otho Eusey of Massachusetts became the printer of THE MORGAN HORSE magazine, a duty he fulfilled until retiring in May of 1980. | 1989 | The Morgan breed celebrated ithe 200th anniversary of Justin Morgan's birth. |