who elected senators under the provisions of the constitution as originally ratified
State legislative election.
First direct elections to the Senate
Oklahoma, admitted to statehood in 1907, chose a senator by legislative election three times: twice in 1907, when admitted, and once in 1908. In 1912, Oklahoma reelected Robert Owen by advisory popular vote.

Oregon held primaries in 1908 in which the parties would run candidates for that position, and the state legislature pledged to choose the winner as the new senator.

New Mexico, admitted to statehood in 1912, chose only its first two senators legislatively. Arizona, admitted to statehood in 1912, chose its first two senators by advisory popular vote. Alaska, and Hawaii, admitted to statehood in 1959, have never chosen a U.S. senator legislatively.
State legislature State legislatures. The amendment supersedes , Clauses 1 and2 of the Constitution, under which senators were elected by state legislatures
Seventeenth Amendment to the United States Constitution Seventeenth Amendment to the United States Constitution Seventeenth Amendment to the United States Constitution
Original composition Introduction Introduction
Originally, under , Clauses 1 and2 of the Constitution, each state legislature elected its state's senators for a six-year term. . The amendment supersedes , Clauses 1 and2 of the Constitution, under which senators were elected by state legislatures. The amendment supersedes , Clauses 1 and2 of the Constitution, under which senators were elected by state legislatures
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Seventeenth Amendment to the United States Constitution [SEP] First direct elections to the Senate
Oklahoma, admitted to statehood in 1907, chose a senator by legislative election three times: twice in 1907, when admitted, and once in 1908. In 1912, Oklahoma reelected Robert Owen by advisory popular vote. Oregon held primaries in 1908 in which the parties would run candidates for that position, and the state legislature pledged to choose the winner as the new senator. New Mexico, admitted to statehood in 1912, chose only its first two senators legislatively. Arizona, admitted to statehood in 1912, chose its first two senators by advisory popular vote. Alaska, and Hawaii, admitted to statehood in 1959, have never chosen a U.S.