Hubert Humphrey was denied all opportunities to serve in the Senate.
Hubert Humphrey . Humphrey was elected to the Senate in 1948 , the year his proposal of ending racial segregation was included in the party platform at the Democratic National Convention , where he gave one of his most notable speeches on the convention floor , suggesting the Democratic Party `` walk into the sunshine of human rights . '' He served three terms in the Senate from 1949 to 1964 and was the Democratic Majority Whip from 1961 to 1964 .