| 1872 | Born July 4, Plymouth Notch, Vermont |
| 1885 | Victoria Moor Coolidge, mother, dies at age thirty-nine |
| 1890 | Abigail Coolidge, sister, dies at age fourteen |
| Graduates from Black River Academy, Ludlow, Vermont | |
| 1895 | Graduates from Amherst College |
| 1897 | Admitted to the bar in Massachusetts |
| 1905 | Marries Grace Goodhue, Burlington, Vermont |
| 1906 | Son John Coolidge is born |
| 1908 | Son Calvin Coolidge Jr. is born |
| 1909 | Elected mayor of Northampton, Massachusetts |
| 1915 | Elected lieutenant governor of Massachusetts |
| 1918 | Elected governor of Massachusetts |
| 1919 | Elevated to national prominence during Boston police strike |
| 1920 | Elected vice president of the United States, running with Warren G. Harding |
| 1923 | Becomes president on August 2 upon Harding’s death Delivers State of the Union address to Congress |
| 1924 | Appoints prosecutors to investigate Harding scandals |
| Signs first Coolidge-Mellon tax bill | |
| Signs Johnson-Reed Immigration Act | |
| Approves Dawes Plan | |
| Veterans’ bonus passes over Coolidge’s veto | |
| Calvin Jr., son, dies at age sixteen of bacterial infection acquired after playing tennis on White House lawn | |
| Elected president with 54 percent of the popular vote | |
| 1925 | First president to appear in talking film |
| Appoints Harlan Fiske Stone to Supreme Court | |
| 1926 | Senate approves World Court membership, with reservations |
| Signs second Coolidge-Mellon tax bill | |
| John Coolidge, father, dies at age eighty | |
| Democratic gains in off-year elections | |
| 1927 | Mississippi River flood |
| Signs Radio Act | |
| Vetoes McNary-Haugen bill for first time | |
| Awards Charles Lindbergh Distinguished Flying Cross | |
| Fails at naval disarmament conference in Geneva | |
| Announces plans to retire from presidency after his term is up | |
| Stock market speculation heats up | |
| 1928 | Address to Pan-American Conference, Havana |
| Signs third Coolidge-Mellon tax bill, flood-control bill | |
| Vetoes McNary-Haugen bill for second time | |
| Kellogg-Briand Pact | |
| Herbert Hoover elected president | |
| 1929 | Retires to Northampton |
| Publishes Autobiography of Calvin Coolidge | |
| Stock market crash | |
| 1930 | Begins writing syndicated newspaper column |
| 1932 | Franklin D. Roosevelt elected president |
| 1933 | Dies January 5, Northampton, Massachusetts, age sixty |