| Legislature | Called by | Duration | Subject |
| 60th | Gov. Brian Schweitzer | 9/5/07 | Appropriate money for fire suppression and disaster response and recovery activities in 2008-2009; approve additional spending authority for emergencies and disasters and eliminate time restrictions applicable to disaster and emergency declarations during fire season. |
| 60th | Gov. Brian Schweitzer | 5/10/07 to 5/15/07 | Enact general appropriations bill for ordinary expenses of legislative, executive, and judicial branches of government and for public schools for biennium ending June 30, 2009; appropriate money for capital projects and information technology capital projects; provide funding for public elementary and secondary schools, authorize optional full-time kindergarten, establish quality educator loan and forgiveness program, and revise Governor's postsecondary scholarship program; enact tax legislation that provides both permanent and one-time-only tax reductions and rebates for Montanans, improves tax compliance, and expands business equipment property tax exemption; provide property tax incentives for new investment in conversion, transport, and manufacturing related to, and research and development of renewable energy, new technology energy, and clean coal energy; and create education trust fund with revenue raised by revisions to tax treatment of income and dividends of real estate investment trusts. |
| 59th | Gov. Brian Schweitzer | 12/14/05 | Enact funding system for Montana public elementary and secondary schools based on definition of "quality" educationcontained in Senate Bill 152, in compliance with Article X, Section 1, of Montana Constitution and in fulfillment of requirements of Montana Supreme Court decision in Columbia Falls Elementary School v. State of Montana and remaining within a balanced budget, as required by Article VIII, Section 9, of Montana Constitution. |
| 57th | Gov. Judy Martz | 9/13/02 | Amend House Bill 2, Chapter 23, Special Laws of August 2002, for sole purpose of providing immediate effective date and providing retroactive applicability date of Aug. 26, 2002. |
| 57th | Gov. Judy Martz | 8/5/02 to 8/11/02 | Consider action on legislation 1) approving fund balance transfers as submitted by Office of Budget and Program Planning; 2) reducing general fund expenditures, including those exempted by Section 17-7-140 MCA, House Bill 2, any other appropriation bill, statutory appropriation, or language appropriation; 3) reducing non-general fund appropriations and non-budgeted transfers when reduction will increase general fund balance and any necessary statutory amendments to effectuate legislative reductions; 4) reducing general fund shortfall in revenue; and 5) amending House Bill 41 and Senate Bill 495 to provide for guarantee account in state special revenue fund. |
| 56th | Gov. Marc Racicot; Legislature | 5/8/00 to 5/11/00 | Governor: Appropriations for economic development programs funded by Chapter 563, Laws of 1999 (declared unconstitutional by Supreme Court Jan. 20, 2000); clarify Chapter 269 bonding authority; and confirm judicial appointees. Legislature: Reduce taxes; loans from coal tax fund to midsized businesses; alternative livestock license moratorium; open-pit mining reclamation; oppose Missouri River designation; aviation fuel tax; tobacco settlement trust fund; insurance information and privacy; and federal estate tax. |
| 56th | Gov. Marc Racicot | 6/15/99 to 6/16/99 | Ratify Crow-Montana reserved water rights compact; settlement for Crow claim regarding Montana coal severance tax; exempt certain speeding violations from surcharge. |
| 53rd | Gov. Marc Racicot | 11/29/93 to 12/18/93 | Balance 1994 biennium state budget; property tax reform; pension tax refunds; state building maintenance; oil drilling; confirmation of appointees; budget modifications. |
| 52nd | Gov. Stan Stephens | 7/6/92 to 7/18/92 | Update revenue estimates; balance 1992 biennium state budget; consider fund transfers; sales tax proposal; reform tax structure; hazardous waste moratorium; agency liquor store agreements; drought relief. |
| 52nd | Gov. Stan Stephens | 1/6/92 to 1/17/92 | Balance 1993 biennium state budget; consider privatization of liquor stores; revise payment schedule for estimated tax payments. |
| 51st | Gov. Stan Stephens | 5/21/90 to 5/25/90 | Correct exemptions on natural gas production taxation; workers' compensation unfunded liability; prison construction issues. |
| 51st | Gov. Stan Stephens | 6/19/89 to 7/14/89 | Education equalization; state spending limitations; new and ongoing revenue sources; office hours for cities and towns; disband Commerce Dept. litigation bureau; revise taxation of retirement income. |
| 49th | Gov. Ted Schwinden | 6/16/86 to 7/1/86 | State appropriations and budget changes; taxes on fuels and regulated utilities. |
| 49th | Gov. Ted Schwinden | 3/24/86 to 3/29/86 | Liability limits; revenue bonds; special elections; economic assistance. |
| 49th | Gov. Ted Schwinden | 6/28/85 | To correct action on vehicle fees. |
| 48th | Gov. Ted Schwinden | 12/12/83 to 12/17/83 | Veterans' and Disabled Citizens' Law. |
| 47th | Gov. Ted Schwinden | 6/21/82 to 6/26/82 | Problems at Montana State Prison and in adult corrections programs. |
| 47th | Gov. Ted Schwinden | 11/16/81 to 11/24/81 | Appropriation of federal block grant funds. |
| 44th | Gov. Thomas Judge | 8/4/75 | Six-mill levy for University System. |
| 43rd | Legislature | 3/12/73 | Finish work of regular session. |
| 42nd | Gov. Forrest Anderson | 6/7/71 to 6/25/71 | Continuation of topics from previous special session. |
| 42nd | Gov. Forrest Anderson | 3/8/71 to 4/3/71 | Long-range building 23 days program; sales tax appropriations. |
| 41st | Gov. Forrest Anderson | 3/10/69 to 3/19/69 | Supplemental appropriation. |
| 40th | Gov. Tim Babcock | 3/3/67 to 3/18/67 | Miscellaneous appropriations. |
| 23rd | Gov. Frank Cooney | 11/27/33 to 1/19/34 | Depression and federal programs for relief and recovery; impeachment brought against Governor and Secretary of State |
| 18th | Gov. Joseph Dixon | 1/22/24 to 1/29/24 | Legislative appropriations null and void due to Supreme Court decision on gubernatorial veto. |
| 17th | Gov. Joseph Dixon | 3/5/21 to 3/22/21 | Tuberculosis sanitarium; tax collection system; school funding; inheritance tax. |
| 16th | Gov. Sam Stewart | 7/29/19 to 8/11/19 | Drought relief; highway construction; women's suffrage. |
| 15th | Gov. Sam Stewart | 2/14/18 to 2/25/18 | Seed grain law; protect soldiers' and sailors' rights in their absence; state council of defense and state home guard; enact legislation to punish treasonable, seditious, and disloyal utterances and acts. |
| 11th | Gov. Edwin Norris | 12/27/09 to 12/30/09 | Additional bonds for construction of Capitol wings; appropriation for Publicity Department; Bureau of Agriculture, Labor, and Industry. |
| 8th | Gov. Joseph Toole | 12/1/03 to 12/11/03 | Labor disputes; mining litigation; district judges. |
| 8th | Gov. Joseph Toole | 5/26/03 | Louisiana Purchase Exposition. |