1958: Prime Minister Nehru of India, visited Bhutan. He was the first head of Government of a foreign nation to visit Bhutan.
1961: Bhutan launches the first Five Year Plan.
1962: Bhutan joins the Colombo Plan, the first international organisation that the nation joined.
1968: Office of the Special Officer of the Government of India was opened in Thimphu.
1969: Bhutan joins the Universal Postal Union.
1971: Bhutan becomes a member of the United Nations.
1971: PERMANENT MISSION TO THE UNITED NATIONS established in New York.
1971: Representativesappointed on a reciprocal basis, between India and Bhutan in pursuance of the decision to establish formal diplomatic relations.
1973: Bhutan joins the Non-Alligned Movement.
1973: Non-resident diplomatic relations established with Bangladesh.
1978: Diplomatic representatives of Bhutan and India, re-designated as Ambassadors and upgraded to the status of Embassies.
1980: Bhutan establishes an Embassy in Bangladesh, resident diplomatic relations was established.
1982: Bhutan joins the Group of 77.
1982: Bhutan joins SACEP(South Asian Cooperative Environment Programme)
1983: Creation of SAARC (South Asian Association for Regional Coperation).
1983: Bhutan establishes "non resident" diplomatic relations with Nepal.
1983 Bhutanese Consul General appointed in Kuwait.
1984: The King visits Dhaka and Bhutan and Bangladesh sign a protocol on the expansion of and regulation of trade, and an agreement on economic and cultural cooperation.
1984: Bhutan establishes "non resident" diplomatic relations with Maldives.
1985: PERMANENT MISSION TO THE UNITED NATIONS established in Geneva.
1985: Non Resident Diplomatic relations established with Switzerland.
1985: Non Resident Diplomatic relations established with Denmark.
1985: Non Resident Diplomatic relations established with EEC.
1985: Non Resident Diplomatic relations established with Norway.
1985: Non Resident Diplomatic relations established with Netherlands.
1985: Non Resident Diplomatic relations established with Sweden.
1985: Consul General in Kuwait upgraded to Embassy and resident Ambassador appointed.
1986: Non Resident Diplomatic relations established with Japan.
1986: Non Resident Diplomatic relations established with Finland.
1987: Bhutan establishes "non resident" diplomatic relations with Sri Lanka.
1987: Bhutan establishes "non resident" diplomatic relations with South Korea.
1988: Bhutan establishes "non resident" diplomatic relations with Pakistan.
1989: Non-resident diplomatic relations established with Thailand.
1989: Non-resident diplomatic relations established with Austria.
1992: Non-resident diplomatic relations established with Bahrain.
1997: Thailand non-resident relations, upgraded to Embassy and Charge d'Affaires appointed.
