| 1639: | Dutch assume control of peninsula |
| 1640: | Land deeded to William Thorne ("Thorne Neck") |
| 1788: | Ann Thorne (heir to William Thorne) marries William Wilkins ("Wilkins Neck") |
| 1820-1860: | Third System of Fortifications |
| 1821: | Government survey concludes that the property would be useful for coastal defense |
| 1829: | Land sold to Charles and Martha Willet ("Willet's Point") |
| 1829: | Charles Willet farmhouse constructed |
| 1857: | 110 acres of land purchased from George and Robertina Irving (heirs of the Willet family) for $200,000 |
| 1857: | Congress appropriates $15,000 for the building of the "Fort at Willet's Point" |
| 1860s: | (late 1860s) Commander's Quarters constructed |
| 1861: | Civil War begins |
| 1861: | "The Fort at Willet's Point" officially designated Camp Morgan after Governor Edwin D. Morgan of New York |
| 1862: | Start of Quartermaster's Wharf and Water Battery construction |
| 1863: | 26.35 acres of adjoining land bought from Henry Day and his wife for $57,000 |
| 1864: | Water Battery construction halted. New rifled guns and pointed rounds could penetrate masonry coastal defenses, making them obsolete. |
| 1864: | Brevet Major General Joseph Totten dies |
| 1865: | Camp Morgan's first permanent garrison, three companies of engineers, arrives. |
| 1865: | Grant General Hospital (first) completed |
| 1865: | Civil War ends |
| 1866: | Army Engineer School moves to Camp Morgan |
| 1868: | Charles Willet farmhouse relocated and renovated |
| 1870: | Officers' Club constructed |
| 1870: | Camp Morgan designated Engineers Depot for the East |
| 1870: | Quartermaster General Montgomery Meigs begins index of buildings at military posts |
| 1870: | Tunnel constructed from the torpedo magazines to the Water Battery |
| 1871: | Post Chapel (first) began construction |
| 1872: | Torpedo School established at Camp Morgan |
| 1878: | War Department begins upgrading living conditions and consolidating Army posts |
| 1879: | Post Chapel (first) completed |
| 1885: | Endicott Board recommends new type of coastal artillery battery for strategic coastal locations |
| 1885: | Engineer School of Application established at Camp Morgan |
| 1889: | Main Gate relocated to present location |
| 1892: | Firehouse constructed |
| 1892: | Guardhouse at new main gate constructed |
| 1896: | Post Hospital (second) constructed |
| 1887: | Officers' Club expanded |
| 1898: | Renamed Fort Totten, after Brevet Major General Joseph Totten |
| 1898: | (Feb) Battleship Maine explodes in Havana harbor |
| 1898: | (Apr-Aug) Spanish American War |
| 1898: | First minefields off Willet's Point |
| 1900s: | Brick officers quarters constructed |
| 1901: | School of Submarine Defense and Torpedo School established at Fort Totten. |
| 1901: | Army Engineer School moves from Ft. Totten to Washington Barracks (DC) |
| 1902: | Quartermaster Dept. adds non-military buildings to posts, such as exchanges, schools, libraries, gyms, and bowling alleys |
| 1902: | Engineering Supply Depot closed |
| 1905: | Secretary of War William Howard Taft continues Endicott Board as Taft Board |
| 1905: | Post Gymnasium constructed |
| 1906: | Walter Reed Hospital (third) constructed |
| 1909: | Commanding General's Quarters constructed |
| 1910: | Post Hospital (second) demolished |
| 1911: | Walter Reed Hospital Building (third) expanded |
| 1914: | Walter Reed Hospital Annex (third) constructed |
| 1917: | US enters World War I |
| 1919: | Treaty of Versailles: World War I ends |
| 1922: | Fort Totten's first anti-aircraft unit arrives |
| 1926: | YMCA Building constructed |
| 1935: | Coastal Artillery removed |
| 1938: | Post Chapel (second) completed |
| 1938: | Post Theater constructed |
| 1941: | US enters World War II |
| 1941: | Fort Totten made headquarters of the Anti-Aircraft Command of the Eastern Defense Command |
| 1944: | Fort Totten becomes headquarters of the North Atlantic region of the Air Transport Command |
| 1945: | (May) World War II ends in Europe (V-E Day) |
| 1945: | (Aug) World War II ends in Asia (V-J Day) |
| 1947: | Armed Forces Medical Research Laboratory established |
| 1950s: | Fort Totten becomes headquarters for over half the Nike missile sites in the country |
| 1953: | Chief Warrant Officer Jacob (Jack) Fein, (US Army, Retired) appointed Official Curator for Military History at Fort Totten |
| 1955-1962: | Capehart (housing) Program |
| 1962: | New York City fireboat JOHN GLENN arrives at Fort Totten |
| 1967: | Air Defense Command headquarters moved out of Fort Totten |
| 1971: | New York City fireboat JOHN GLENN departs Fort Totten |
| 1971: | Job Corps moves onto base |
| 1976: | Coast Guard opens small boat station on Fort Totten |
| 1977: | Fort Totten declared surplus property |
| 1981: | Federal government almost puts Fort Totten on sale for private development |
| 1983: | Ernie Pyle Army Reserve Center completed |
| 1995: | Congress approves the closing of Fort Totten as an economizing measure |
| 2004: | 49.5 acres turned over to the Parks Department by the National Parks Service and Defense Department |
| 2005: | Fort Totten Park opens to the public |