1894 – Born on December 17th in Boston, Massachusetts.
1911 – Attended the Royal Academy of Music Berlin.
1915 – Fiedler returned to Boston at the start of World War I and joined the Boston symphony Orchestra under Karl Muck. He was not only a violinist, but also played as orchestra violist, pianist, organist, and percussionist.
1917 – Served the United States Army.
1924 – He formed and was the conductor of the Boston Sinfonietta, a chamber orchestra made up of Boston Symphony Orchestra members.
1930 – Was the conductor of the Boston Pops.
1941 – Was a United States Coast Guard Reserve.
1945 – Married to Ellen Bottomley.
1954 – Received the French Legion of Honor.
1979 – Died on July 10th in Brookline, Massachusetts.