The 1864–65 United States Senate elections were held on various dates in various states. They occurred during the American Civil War and Abraham Lincoln's re-election. As these U.S. Senate elections w

The 1860–61 United States Senate elections were held from January 14, 1860, to April 2, 1861. Regularly scheduled elections were held for 23 out of the 68 seats in the United States Senate, and specia