In the Year of the Tiger 736 C.S. Somdet Phra Borommarachathirat and Phra Mahathera Thammakanlayan built the great, glorious, holy, jewelled reliquary (Phra Si Rattana Mahathat) east of the palace (the Royal gable of the lion). He rose 19 wah in height and equipped with a nine-membered tip that is another 3 wah in height.