Wat Mahathat Of Ayutthaya2 - Wat Mahathat Was Started In 1374 A. D. During The Reign Of King Borommarachathirat I And Finished During The Reign Of King Ramesuan (1388-1395). The Main Prang Collapsed During The Reign Of King Songtham (1610-1628). The Restoration Of This Prang Was Probably Completed During The Reign Of King Prasatthong (1630-1655) And The Height Of The Prang Was Increased At The Same Time. Photo