The 1st Dragon King of Bhutan was Ugyen Wangchuck. Ugyen Wangchuck reigned
from 1907 to 1926. He wassucceeded by his son Jigme Wangchuck. Jigme
Wangchuck reigned from 1926 to 1952. He was succeeded by his son Jigme Dorji
Wangchuck. Jigme Dorji Wangchuck reigned from 1952 to 1972. He was succeeded
by his son Jigme Singye Wangchuck. Jigme Singye Wangchuck reigned from 1972
to 2006. He was succeeded by his son, Jigme Khesar Namgyel Wangchuck, who is the incumbent.