U.S. District Courts of Texas Legislative History

December 29, 1845
9 Stat. 1
Congress organized Texas as one judicial district and authorized one judgeship for the district court. The district court in Texas, not being assigned to a judicial circuit, was granted the same jurisdiction as U.S. circuit courts, except in appeals and writs of error, which were the jurisdiction of the Supreme Court.
February 21, 1857
11 Stat. 164
Texas divided into two judicial districts, the Eastern and the Western, with one judgeship authorized for the court in each district.
July 15, 1862
12 Stat. 576
The act repealed the circuit court jurisdiction of the district courts in Texas and established a U.S. circuit court for the district, which was assigned to Sixth Circuit.
July 23, 1866
14 Stat. 209
Texas assigned to the Fifth Circuit
February 24, 1879
20 Stat. 318
Northern District established and one judgeship authorized for the district court.
February 9, 1898
30 Stat. 240
Temporary judgeship authorized for the Northern District; statute provided that any vacancy in the existing judgeship would not be filled. 
March 11, 1902
32 Stat. 64
Southern District established and one judgeship authorized for the district court.
February 26, 1917
39 Stat. 938
One additional judgeship authorized for the Western District.
February 26, 1919
40 Stat. 1183
One additional judgeship authorized for the Northern District.
September 14, 1922
42 Stat. 837
One temporary judgeship authorized for the Northern District.
August 19, 1935
49 Stat. 659
Temporary judgeship authorized in 1922 for the Northern District was made permanent.
May 31, 1938
52 Stat. 584
One additional judgeship authorized for the Southern District.
August 3, 1949
63 Stat. 493
One permanent and one temporary judgeship authorized for the Southern District.
February 10, 1954
68 Stat. 8
One additional judgeship authorized for the Eastern District. Temporary judgeship authorized for the Southern District in 1949 made permanent. 
March 18, 1966
80 Stat. 75
Two additional judgeships authorized for the Southern District and one for the Western District.
June 2, 1970
84 Stat. 294
One additional judgeship authorized for each of the four districts.
October 20, 1978
92 Stat. 1629
Five additional judgeships authorized for the Southern District, three for the Northern District, one for the Eastern District, and one for the Western District.
July 10, 1984
98 Stat. 333
One additional judgeship authorized for the Northern District, two for the Eastern District, and one for the Western District. 
December 1, 1990
104 Stat. 5089
Two additional judgeships authorized for the Northern District, one for the Eastern District, five for the Southern District, and three for the Western District.
December 21, 2000
114 Stat. 2762
One additional judgeship authorized for the Southern District and one for the Western District.

November 2, 2002
116 Stat. 1758

Two additional judgeships authorized for the Western District and one temporary judgeship authorized for the Eastern District.