1616. Bhutan is unified by Zhabdrung Ngawang Namgyal who makes comprehensive laws and local administrations.
1907. The hereditary monarchy is created.
1949. The Indo-Bhutan Treaty of friendship is signed, and Bhutan receives full independence.
1952. Jigme Dorji Wangchuck (the "architect of modern Bhutan") becomes king.
1953. The National Assembly is established.
1960. Trading is entirely oriented toward India.
1965. The king forms the Royal Advisory Council.
1972. Jigme Singye Wangchuk becomes king.
1974. Bhutan begins to encourage tourism.
1983. The South Asian Association for Regional Cooperation is established.
1998. The king devolves some of his executive powers to the cabinet.