Wat Phra Kaew has undergone a number of renovations, restoration and additions in its history, particularly during the reign of King Rama 3 and Rama 4. Rama 3 started the renovations and rebuilding in 1831 for the 50th Anniversary of BangkoK of 1832, while Rama 4's restoration was completed by Rama 5 in time for the Bangkok Centennial celebrations in 1882. Further restoration was undertaken by Rama 7 on Bangkok's 150th Anniversary in 1932, and by Rama 9 for the 200th Anniversary in 1982