| March 3, 1863 12 Stat. 794 |
Congress established the U.S. Circuit Court for the District of Oregon and assigned the district to the Tenth Circuit. |
| July 23, 1866 14 Stat. 209 |
Congress reorganized the circuits and assigned the District of Oregon to the Ninth Circuit. |
| March 3, 1911 36 Stat. 1087 |
Congress abolished the U.S. circuit courts, effective January |