| Birth | 25 Feb 1888 | Washington, District of Columbia County, District of Columbia | | | |
| Graduated | May 1908 | Princeton, Mercer County, New Jersey | | | |
| Miscellaneous | Abt May 1908 | Princeton, Mercer County, New Jersey | | | |
| Graduated | May 1908 | Princeton, Mercer County, New Jersey | | | |
| Miscellaneous | Abt May 1908 | Princeton, Mercer County, New Jersey | | | |
| Education | Abt Aug 1908 | Sorbonne and studied under French Philospher Henri Bergson - Paris, Bear Lake County, Idaho | | | |
| Residence | 29 Apr 1910 | with his parents at 67 South Street and attended school - Auburn, Cayuga County, New York | | | |
| Miscellaneous | Abt Jun 1910 | on a family trip, he took a course at the Sorbonne and also met Janet Avery for the first time - Paris, France | | | |
| Graduated | Abt 1911 | George Washington Law School - Washington, District of Columbia | | | |
| Occupation | Abt 1911 | lawyer with the firm of Sullivan & Cromwell where he specialized in international law - New York City, New York County, New York | | | |
| Miscellaneous | Abt May 1911 | Auburn, Cayuga County, New York | | | |
| Miscellaneous | Abt May 1911 | Auburn, Cayuga County, New York | | | |
| Marriage | 26 Jun 1912 | Auburn, Cayuga County, New York - Janet Pomeroy AVERY | | | |
| Miscellaneous | 27 Jun 1912 | honeymooned with his wife in the Catskills as he was recovering from malaria - New York | | | |
| Occupation | 1917 | special agent for the Department of State in Central America | | | |
| Miscellaneous | 1918 | appointed by President Wilson as legal counsel to the US delegation to Versailles Peace Conference | | | |
| Religion | 1918 | New York City, New York County, New York | | | |
| Religion | 1918 | New York City, New York County, New York | | | |
| Occupation | 1917/18 | captain and major in the US Army Intelligence Service | | | |
| Miscellaneous | 1918 | assistant to chairman War Trade Board | | | |
| Occupation | 1919 | employee of Sullivan & Cromwell | | | |
| Residence | 12 Jan 1920 | at 735 E Street North and was a lawyer - Washington, District of Columbia | | | |
| Military | Abt 1920 | served during World War I | | | |
| Military | Abt 1920 | served during World War I | | | |
| Occupation | 1926 | senior partner of Sullivan & Cromwell | | | |
| Miscellaneous | 1933 | was American representative of the Berlin Debt Conference | | | |
| Residence | 1 Apr 1935 | at 72 East 91 Street - New York, New York County, New York | | | |
| Residence | 10 Apr 1940 | at 72 East 91 Street and was a lawyer at a law firm - New York, New York County, New York | | | |
| Miscellaneous | 1945 | member of the US delegation to the San Francisco Conference on World Organization | | | |
| Miscellaneous | 1945 | was an advisor to the Secretary of State at Councl of Foreign Ministers - London, England | | | |
| Miscellaneous | Bet 1946 and 1950 | was a representative to the General Assembly of the United Nations | | | |
| Miscellaneous | Jul 1949 - Nov 1949 | Us Senator briefly - New York City, New York County, New York | | | |
| Miscellaneous | 1950 | was chairman of the Rockfeller Foundation | | | |
| Miscellaneous | 1951 | member of the Pilgrims Society | | | |
| Occupation | | United States Senator - New York | | | |
| Occupation | Bet 1953 and 1959 | Secretary of State under President Dwight D. Eisenhower | | | |
| Miscellaneous | 15 Apr 1959 | resigned as Secretary of State because of declining health - Washington, District of Columbia | | | |
| Death | 24 May 1959 | of cancer - Washington, District of Columbia | | | |
| Affiliation | 24 May 1959 | after his death, the Washington Dulles International Airport was named in his honor - Virginia | | | |
| Death | 24 May 1959 | of cancer - Washington, District of Columbia | | | |
| Miscellaneous | Aft 24 May 1959 | was awarded the Medal of Freedom posthumously | | | |
| Burial | Aft 24 May 1959 | at Arlington National Cemetery - Arlington, Arlington County, Virginia | | | |