| April 1, 1980 | Census Day |
| December 31, 1980 | Census Bureau reports total state populations to the president. Texas gains three new congressional seats. |
| January 13, 1981 | 67th Legislature, Regular Session, convenes. |
| March 29, 1981 | Legislature receives population data for Texas. |
| April 7, 1981 | Population data loaded into redistricting computer; analysis of district proposals begins. |
| June 1, 1981 | Legislature passes house and senate redistricting bills and adjourns sine die. |
| June 18, 1981 | Governor signs house redistricting bill and vetoes senate bill. |
| June 19, 1981 | Suit filed in state district court against house plan passed by the legislature (Clements v. Valles). |
| July 13, 1981 | 67th Legislature, 1st Called Session, convenes to consider congressional redistricting. |
| August 10, 1981 | Legislature passes congressional redistricting bill. |
| August 14, 1981 | Governor signs congressional redistricting bill. |
| August 30, 1981 | Legislative Redistricting Board (LRB) convenes to consider senate redistricting. |
| August 31, 1981 | Texas Supreme Court overturns house plan; as a result, the LRB also considers house redistricting. |
| September 11, 1981 | Congressional redistricting plan is submitted to the justice department for preclearance under the Voting Rights Act of 1965. |
| September 14, 1981 | Suit filed in federal district court against the congressional plan passed by the legislature in special session (Seamon v. Upham). |
| October 27, 1981 | LRB adopts senate plan. |
| October 28, 1981 | LRB adopts house plan. |
| October 29, 1981 | Suit filed in federal district court against the LRB senate plan. |
| October 30, 1981 | Suit filed in state district court against the LRB senate plan. |
| November 6, 1981 | Suit filed in federal district court against the LRB house plan. |
| November 23, 1981 | Texas attorney general submits LRB house and senate plans to the justice department for Voting Rights Act preclearance. |
| November 30, 1981 | Secretary of state submits LRB house and senate plans to the justice department for Voting Rights Act preclearance. |
| December 3, 1981 | House and senate cases consolidated for trial (Terrazas v. Clements). |
| January 6, 1982 | State district court upholds LRB senate plan. |
| January 25, 1982 | Justice department issues letters of objection to house and senate redistricting plans. |
| January 25, 1982 | Court hearing the congressional case extends the filing deadline for selected congressional districts to February 22. |
| January 28, 1982 | Court hearing the house and senate cases enters an order reflecting its intention to adopt temporary plans and asks for submission of modified plans; extends filing deadline to March 19. |
| January 29, 1982 | Justice department issues a letter of objection to the congressional redistricting plan. |
| February 2, 1982 | Original filing deadline for primary elections. |
| Feburary 15, 1982 | Court hearing the congressional case extends filing deadline for selected districts to March 19. |
| February 27, 1982 | Court hearing the congressional case adopts new plan for the 1982 elections. The decision is appealed to the U.S. Supreme Court. |
| March 4, 1982 | Justice department withdraws objections to certain house and senate districts. |
| March 5, 1982 | Court hearing the house and senate case adopts temporary plans for 1982 elections (MALDEF plans for El Paso and Bexar house districts; LRB plans for all other districts); the plans are to remain in effect until December 31, 1983, "unless valid apportionment plans are sooner enacted." |
| March 19, 1982 | Date of court-ordered filing deadline for house and senate districts and for about half of the congressional districts. |
| April 1, 1982 | U.S. Supreme Court finds that the court hearing the congressional case has erred in its decision to change districts in Dallas County without a finding that the districts drawn in special session violated any law; case remanded to district court. |
| April 5, 1982 | District court hearing the congressional case decides that the elections should be held as scheduled using districts created by the district court in February. |
| May 1, 1982 | Date of primary elections. |
| January 11, 1983 | 68th Legislature, Regular Session, convenes. |
| May 10, 1983 | Legislature enacts bill making no changes in house districts used in the 1982 elections. MALDEF renews its challenge to Dallas house districts. |
| May 16, 1983 | Senate enacts a resolution requesting the court to make changes in eight senate districts. |
| May 28, 1983 | Legislature enacts congressional district plan making changes in seven congressional districts, but maintaining two minority-impact districts in Dallas County. |
| May 31, 1983 | House district plan submitted to the justice department for Voting Rights Act review. |
| July 5, 1983 | Senate district plan submitted to the justice department for Voting Rights Act review. |
| July 29, 1983 | Congressional district plan submitted to the justice department for Voting Rights Act review. |
| August 1, 1983 | Justice department announces that it would not object to house districts. |
| August 6, 1983 | Justice department announces that it would not object to senate districts. |
| September 27, 1983 | Justice department announces that it would not object to congressional districts. |
| December 22, 1983 | District court (which retained jurisdiction from 1981 legislative challenges) adopts senate districts as drawn in the May 16, 1983, senate resolution. |
| January 4, 1984 | District court approves the house plan as adopted by the legislature on May 10, 1983. |
| January 30, 1984 | District court in the congressional case upholds the congressional district plan as adopted by the legislature on May 28, 1983. |
Redistricting History
1846–1982 Overview
Historical Maps