Executive Order 79-45 – Gov. Joseph Teasdale declares that the provisions of Executive Order 79-44 are terminated on January 3, 1980. (Jan. 2, 1980)
Executive Order 1 – Gov. Joseph Teasdale creates a Governor's Advisory Council on Emergency Medical Services. (Feb. 1)
Executive Order 2 – Gov. Joseph Teasdale amends Executive Order 79-37 to include the director of the Department of Labor and Industrial Relations as an ex-officio member of the Governor's Advisory Council on Missouri Coal, ad hoc. (Feb. 1)
Executive Order 4 – Gov. Joseph Teasdale proclaims Reorganization Plan 1 of 1980. (Feb. 7)
Executive Order 5 – Gov. Joseph Teasdale proclaims Reorganization Plan 2 of 1980. (Feb. 7)
Executive Order 6 – Gov. Joseph Teasdale proclaims Reorganization Plan 3 of 1980. (Feb. 7)
Executive Order 7 – Gov. Joseph Teasdale proclaims Reorganization Plan 4 of 1980. (Feb. 7)
Executive Order 8 – Gov. Joseph Teasdale creates the Missouri Private Industry Council. (Feb. 7)
Executive Order 9 – Gov. Joseph Teasdale creates the Governor's Youth Employment Council. (Feb. 7)
Executive Order 10 – Gov. Joseph Teasdale creates a Governor's State Employment and Training Council. (Feb. 7)
Executive Order 11 – Gov. Joseph Teasdale creates the Governor's Advisory Council on Manpower Planning. (Feb. 7)
Executive Order 12 – Gov. Joseph Teasdale amends Executive Order 79-21 so that the Statewide Health Coordinating Council consists of 30 members. (Feb. 7)
Executive Order 13 – Gov. Joseph Teasdale declares an emergency and activates the state militia in response to an abnormal amount of snow in the city of Springfield and the county of Greene and surrounding counties. (Feb. 8)
Executive Order 14 – Gov. Joseph Teasdale declares March 6 a day of mourning in honor of former governor Forrest C. Donnell. (March 5)
Executive Order 15 – Gov. Joseph Teasdale declares a state of emergency for the counties of St. Louis and St. Charles due to severe winds and tornado conditions that occurred on April 7. (April 9)
Executive Order 14 – Gov. Joseph Teasdale activates the state militia to provide fire fighting and rescue services to the city of Kansas City due to the city's firemen failing to report for duty. (March 18)
Executive Order 16 – Gov. Joseph Teasdale declares a day of mourning in honor of the eight servicemen who lost their lives in the attempted hostage rescue in Iran. (April 25)
Executive Order 17 – Gov. Joseph Teasdale creates the Missouri Health Coordinating Council. (May 1)
Suspension Order and Hearing Notice – Gov. Joseph Teasdale orders Francis H. Welch suspended from the office of Administrative Hearing Commissioner and sets a hearing of evidence. (May 5)
Executive Order – Gov. Joseph Teasdale authorizes the Commissioner of Administration to consolidate and centralize state printing in the Jefferson City area. (May 6)
Executive Order 18 – Gov. Joseph Teasdale declares a state of emergency in the city of Sedalia due to a tornado that struck on May 12. (May 12)
Executive Order 19 – Gov. Joseph Teasdale activates the state militia in response to a tornado that struck the city of Sedalia on May 12. (May 12)
Executive Order 20 – Gov. Joseph Teasdale appoints the Honorable Orville W. Richardson as Special Investigative Officer to investigate Troop C of the Missouri Highway Patrol. (May 22)
Executive Order 21 – Gov. Joseph Teasdale orders the removal of Francis H. Welch from the office of Administrative Hearing Commissioner for the state of Missouri. (June 20)
Executive Order 22 – Gov. Joseph Teasdale declares a state of emergency in the counties of Camden, Miller, Maries, Crawford, Washington, and Jefferson due to high winds on July 2. (July 11)
Proclamation and Executive Order 23 – Gov. Joseph Teasdale declares a state of disaster and an energy resource emergency due to extreme heat and drought and activates the National Guard to provide relief. (July 14)
Executive Order 24 – Gov. Joseph Teasdale declares that open burning is prohibited due to a heat storm in the state. (July 16)
Executive Order 25 – Gov. Joseph Teasdale activates the state militia to respond to a severe fire in Newton county. (July 30)
Executive Order 26 – Gov. Joseph Teasdale terminates Executive Order 80-24 for the state except in 31 counties. (Aug. 29)
Executive Order – Gov. Joseph Teasdale orders state offices closed on November 28 and December 26. (Nov. 18)
Executive Order – Gov. Joseph Teasdale orders state offices closed at noon on December 24. (Dec.24)