Scholars generally consider a coup successful when the usurpers are able to maintain control of the government for at least seven days.
[1] Over a century later, in 632 A.D. the title Ōkimi was posthumously reassigned to the term Tenno.
Most of these were due to redress personal grievances (land use, unjust taxation, forced labor) and were not aimed to overthrow the government in Manila.
The number of coups in Thailand—whether successful or unsuccessful— is uncertain, leading one academic to call for a concerted effort to make a definitive list.
[191] According to Paul Chambers, a professor at Chiang Mai University's Institute for South-East Asian Affairs, there have been almost 30 coup attempts in Thailand (whether successful or unsuccessful) since 1912.