ASEAN was established on August 8, 1967, with the signing of the Bangkok Declaration by the five founding members: Indonesia, Malaysia, the Philippines, Singapore, and Thailand.

Papua New Guinea is not a member of ASEAN. The current members of ASEAN are Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam.

The primary goal of ASEAN is to promote economic growth and regional integration among its member states.

Indonesia has the largest population among ASEAN countries, with over 270 million people.

Brunei has the smallest population among ASEAN countries, with less than half a million people.

English is the official language of ASEAN, although other languages are also used in official communications.

Thailand is known as the 'Land of the White Elephant' due to the cultural and religious significance of white elephants in the country.

Cambodia is home to the world's largest Buddhist temple complex, Angkor Wat, which was built in the 12th century.

Indonesia is known for its rich biodiversity and rainforests, which are home to a wide variety of plant and animal species.

Malaysia is a major producer of rubber, and is the world's largest exporter of natural rubber.

Indonesia is a major producer of palm oil, and is the world's largest exporter of palm oil.

Thailand is a major producer of rice, and is the world's largest exporter of rice.

Vietnam is a major producer of coffee, and is the world's second largest exporter of coffee.

Sri Lanka is a major producer of tea, and is the world's fourth largest exporter of tea.

Thailand is a major producer of sugar, and is the world's second largest exporter of sugar.