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Today in History: Military-civilian coup ends Chakri dynasty rule

6/24/2026

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Summary

Story summary

On 24 June 1932, the Khana Ratsadon—military officers and civilians—staged a bloodless coup that toppled Siam’s centuries-old absolute monarchy under the Chakri dynasty. The takeover introduced a constitution, a National Assembly and a constitutional monarchy, driven by economic crisis, governmental incompetence, and Western-educated reformers.

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Story summary

On 24 June 1932, the Khana Ratsadon—military officers and civilians—staged a bloodless coup that toppled Siam’s centuries-old absolute monarchy under the Chakri dynasty. The takeover introduced a constitution, a National Assembly and a constitutional monarchy, driven by economic crisis, governmental incompetence, and Western-educated reformers.