Siamese Succession Crisis and Accession of King Narai (1650s)

Timeline

1. 1651–1656Ayutthaya royal palace · ThailandPrasat Thong seized the throne by coup in 1629; his later reign was relatively stable, maintaining foreign trade with the Netherlands, Portugal, and China. Between 1651 and 1656 disputes over the crown prince intensified at court, and noble factions gradually formed, planting hidden dangers for a struggle over royal power.
2. 1656Ayutthaya · ThailandAfter Prasat Thong died in 1656, his son Chao Fa Chai briefly acceded but was soon overthrown by ministers; his successor Si Suthammaracha reigned only months before being deposed in a noble coup. Prasat Thong's son Narai, using war-elephant units and loyal troops, defeated the opposition and formally took the throne at the end of 1656, ending the chaotic succession crisis.
3. 1657–1660Ayutthaya · ThailandAfter acceding, Narai quickly consolidated power and actively pursued foreign trade, attracting Dutch, English, Chinese, and Persian merchants to Siam. With Chinese ministers (such as the later Constantine Phaulkon) as support, he pushed administrative reforms. Narai's reign is regarded as Ayutthaya's golden age, and the consolidation of 1657–1660 was its starting point.