| September 24, 1789 1 Stat. 73 |
The Judiciary Act of 1789 organized New Hampshire as one judicial district, authorized a judgeship for the U.S. district court, and assigned the district to the Eastern Circuit. |
| February 13, 1801 2 Stat. 89 |
The Judiciary Act of 1801 reorganized the federal courts into six circuits and assigned the District of New Hampshire to the First Circuit. |
| March 8, 1802 2 Stat. 132 |
The repeal of the Judiciary Act of 1801 restored the judicial organization in effect before 1801. |
| April 29, 1802 2 Stat. 156 |
Congress in the Judiciary Act of 1802 again organized the federal courts into six circuits and assigned the District of New Hampshire to the First Circuit. |
| October 20, 1978 92 Stat. 1629 |
One additional judgeship authorized. |
| December 1, 1990 104 Stat. 5089 |
One additional judgeship authorized. |