- President Brigham Young sent missionary to Thailand - 1854
- Regular worship services authorized by the Church -1961
- Organized the Thailand District - 1966
- President Gordon B. Hinckley dedicated Thailand for the preaching of the gospel - November 2, 1966
- Thailand become its own mission - 1973
- Elder David B. Haight dedicated the first meetinghouse - 1974
- Published the Thai Book of Mormon - 1976
- Organized Chiang Mai Thailand District - August 7, 1979
- Three new meetinghouses were dedicated in Bangnaa, Thonburi, and Chiang Mai Branches - 1987
- Organized Khon Kaen Thailand District - November 7, 1989
- Organized Ubon Thailand District - December 3, 1991
- Organized Bangkok Thailand Stake - June 18, 1995
- Organized Udorn Thailand District - July 23, 1995
- Organized Bangkok Thailand North District - September 19, 1999