1845 – Born in Clinton, New York on the 15th of February.
1867 – Root graduated from the Law School of New York University.
1889 – Root was a member of the Union League Club of New York and twice served as its president.
1899 – He served as the United States Secretary of War under William McKinley and Theodore Roosevelt.
1904 – Root left the cabinet and returned to private practice as a lawyer.
1905 – President Roosevelt named Root to be the United States Secretary of State after the death of John Hay.
1906 – Root persuaded those governments to participate in the Hague Peace Conference.
1909-1915 – Root served a term in the United States Senate as a Republican from New York.
1910 – Root served as President of the Carnegie Endowment for International Peace.
1912 – Received the Nobel Peace Prize.
1916 – Root sought the Republican presidential nomination. However, at the Republican National Convention, Root reached his peak strength of 103 votes on the first ballot.
1917 – In June, at age 72, he was sent to Russia by President Wilson to arrange American co-operation with the new revolutionary government.
1922 – President Warren G. Harding appointed him as a delegate to the International Conference on the Limitation of Armaments.
1921 – He was the founding chairman of the Council on Foreign Relations, established in New York.
1937 – Died on the 7th of February in Clinton, New York, with his family by his side. He is buried at the Hamilton College Cemetery.