| February 22, 1889 25 Stat. 676 |
Congress organized South Dakota as one judicial district, authorized one judgeship for the U.S. district court, and assigned the district to the Eighth Circuit. The act became effective upon the admission of the State of South Dakota on November 2, 1889. |
| February 26, 1929 45 Stat. 1317 |
One temporary judgeship authorized. This judgeship was never made permanent. |
| February 10, 1954 68 Stat. 8 |
One temporary judgeship authorized. |
| September 7, 1957 71 Stat. 631 |
Congress reauthorized and made permanent the judgeship created in 1954. |
| October 20, 1978 92 Stat. 1629 |
One additional judgeship authorized. |