| Opening Ceremony of Amazing Thailand 1998 - 1999 and The Amazing Thailand Grand 1998 - 1999 |
Dec. 27, 1997 - Jan. 4, 1998 | Bangkok |
| The Khon Gran Performances and Khon Contest by students. | Jan. 1 - 7, 1998 | Bangkok |
| Thailand's National Aviation Day [ No show this year, 1998 ]. | Jan. 9 - 10, 1998 | Bangkok |
| Muang Sam Mok Fair. | Jan. 11 - 17, 1998 | Mae Hong Son |
| Borsarng Umbrell Festival and San Kamphaeng | Jan. 16 - 18, 1998 | Chiang Mai |
| Don Jadi Day. | Jan. 24 -30, 1998 | Supranburi |
| Chinese New Year and Dragon & Lion Parade, Pak Nam Pho. | Jan. 21 - Fab. 1, 1998 | Nakhon Sawan |
| Phra Buddha Baht Fair. | Jan. 29 - Fab. 12, 1998 | Saraburi |
| Phra Nakhon Kiri Fair. | Jan. 30 - Fab. 8, 1998 | Phetchaburi |
| Annual Elephant Khantoke Fair. | Fab. 6 - 7, 1998 | Lampang. |
| Phra Buddha Chinarat Fair. | Fab. 3 - 12, 1998 | Phitsanuloke |
| Chiangmai's Annual Flower Carnival. | Fab. 6 - 8, 1998 | Chiang Mai |
| Phra That Phanom Fair. | Fab. 9 - 13, 1998 | Nakhon Phanom |
| The 83rd anniversary of the Royal Thai Air Force | March 27, 1998 | RTAF, Bangkok |
| King Rama III Commemoration Fair. | March 31, 1998 | Bangkok |
| Thao Suranari Fair | Mar. 23 - Apr. 3, 1998 | Nakhon Ratchasima |
| Poi Sang Long Traditional Fair | Mar. - Apr., 1998 | Mae Hong Son. |
| 2nd Thailand International Canoe Races | Mar. 27 - Apr. 5, 1998 | Krabi. |
| Thai Heritage Conservation Day and Shadow Play Festival. | April 1-10, 1998 | Phatthalung |
| Mekong Basin Cultural Fair | Apr., 1998 | Nong Khai. |
| Tour Thai by Cycling ** (To be advised from TAT.) | Apr., - Dec., 1998 | Four Regions. |
| Reminiscence of the Glory of Ayutthaya. | Apr. 3 - 13, 1998 | Ayutthaya |
| Phanom Rung Fair | Apr. 4-5, 1998 | Buri Ram |
| Chakri Memorial Day. | Apr. 6, 1998 | (Nationwide) |
| SongKran Frestival Day (Thai New Year). | Apr. 13, 1998 | (Nationwide) |
| Grand SongKran Frestival Day (Thai New Year). | Apr. 13 - 15, 1998 | Nong Khai, Ayutthaya, Nakhon Si Thammarat. |
| Pattaya Festival, Pattaya Beach Resort. | Apr. 17 - 19, 1998 | Chonburi |
| SongKran Frestival - Mon Style. | Apr. 19, 1998 | Samut Prakan |
| Coronation Day. | May. 5, 1998 | (Nationwide) |
| The Annual First Ploughing Ceremony. | May. 9, 1998 | Bangkok |
| Bun Bang Fai Rocket Festival. | May. 9 - 10, 1998 | Yasothon |
| Wisakha Bucha Day. | May. 10, 1998 | (Nationwide) |
| Don Hoi Lord (Rozor clam Seaside) Festival. | May. 11, 1998 | Samut Songkhram |
| Unitted for a Tobacco Free World. | May. 31, 1998 | (Worldwide) |
| 1st National Sale. | Jun. 1998 - 1999 | (Nation-wide) |
| Rayong Fruit Fair. | Jun. 6 - 7, 1998 | Rayong |
| Phi Ta Khon Festival. | Jun. or Jul. 14 - 15, 1998 | Loei |
| Asanaha Bucha (Full Moon Day). | Jul. 8, 1998 | (Nationwide) |
| Buddhist Lent Day. | Jul. 9, 1998 | (Nationwide) |
| Traditional Candle Procession. | Jul. 10 - 11, 1998 | Ubon Ratchathani |
| Pattya's annual Marathons. | Jul. 17 - 20, 1998 | Chonburi |
| ASEAN Arts Festival. | Sept., 1998 | Bangkok. |
| Korlae Boat Races. | Sept. 21 - 25, 1998 | Narathivat. |
| Phuket Travel Festival (introducing the Phuket Fantasy. | Sept. - Oct., 1998 | Phuket |
| Chon Buri Buffalo Races | Oct. 4, 1998 | Chonburi |
| Illuminated Boat Procession. | Oct. 5, 1998 | Nakhon Phanom |
| Chak Phra & Thot Phapa Festival. | Oct. 15 - 17, 1998 | Surat Thani |
| Vegetarian Fair. | Oct. 20 - 28, 1998 | Phuket |
| Loi Krathong & Ancient Fireworks Festival. | Nov., 1998 | Bangkok, Sukhothai, Chiang Mai |
| Surin Elephant Round-Up Show. | Nov., 1998 | Surin. |
| Bridge over the River Kwai Week. | Nov. - Dec., 1998 - 1999 | Kanchanaburi |
| 2nd National Sale. | Nov. 15 - Dec. 15, 1998 - 1999 | (Nation-wide) |
| 13th Asian Games. | Dec. 6 - 20, 1998 | Bangkok |
| Jazz Festival ** (To be advised from TAT.) | Dec., 1998 | Bangkok. |
| Ayutthaya World Heritage Day. | Dec., 1998 | Ayutthaya |
| Mini Light & Sound ** (To be advised from TAT.) | 1998 - 1999 | Sukhothai. |
| Mini Light & Sound ** (To be advised from TAT.) | 1998 - 1999 | Ayutthaya. |
| Mini Light & Sound ** (To be advised from TAT.) | 1998 - 1999 | Chiang Rai. |