On 1 November 1981, the local council which administered the town of Sibu (Sibu Urban District Council) was upgraded to Sibu Municipal Council. The area of administration of Sibu expanded from 50 km2 to 129.5 km2. In 1994, Sibu Airport and Sibu Hospital were constructed. In 2001, Wisma Sanyan construction was completed. Yang di-Pertuan Agong of Malaysia, Sultan Salahuddin Abdul Aziz Shah visited Sibu from 16 to 17 September 2001 to close a month-long Malaysian Independence Day Celebration at Sibu Town Square.