The Rebellion of the Sergeants was a military coup attempt against the government of Phraya Phahon by a group of army sergeants, led by Sawas Mahamad on 3 August 1935, but the plot was leaked. Sawas was executed and twelve plotters were sentenced from sixteen years to life imprisonment.
The plot leaked to the government by one of the group of sergeants. The plotters were arrested on 3 August.[4][5] On 10 August, fifteen plotters were held by the government.[1] The special secret military court conducted trials against around 100 sergeants. [6]
The court, without a lawyer,[4] sentenced Sawas Mahamad to death, eight to life imprisonment, three to twenty years, and one to sixteen years. Eleven accused officers pleaded guilty.[2]