Lan Na Kingdom in the 1320s

Timeline

1. 1321–1325Chiang Mai · Chiang MaiAfter acceding in 1318, Saen Phu strengthened control over Lan Na's core region in the early 1320s, maintaining the administrative and Buddhist systems established during Mangrai's era; Chiang Mai's position as the northern political and cultural center remained firm.
2. 1324–1328Lan Na–Sukhothai border · ThailandIn the mid-to-late 1320s, Lan Na maintained complex vassal and competitive relations with a declining Sukhothai, while watching the divided situation of Pinya and Sagaing in Myanmar's Upper Burma, preserving influence along northern trade routes.
3. 1328–1330Buddhist monastery complex of Chiang Mai · Chiang MaiBy the late 1320s, under Saen Phu, Lan Na continued to use Buddhist monasteries as a bond of local integration, with Mon and Thai elites co-governing in a stable arrangement, accumulating social and cultural resources for further expansion in the mid-14th century.