Tasmania: Polity Style: 1856-1901
| 1 Jan 1856 | the name of Tasmania is substituted for that of Van Diemen's Land as the designation of the Colony on 1 Jan 1856, the date appointed by an Order in Council approved on 21 Jul 1855 and communicated by a proclamation issued by command of the Queen of the United Kingdom of Great Britain and Ireland on 26 Nov 1855 in Hobart (Hobart Gazette, No. 2089, 27 Nov 1855, p. 1301) |
| 1 Jan 1856 - 31 Dec 1900 | Colony of Tasmania |
| 1 Jan 1901 | Tasmania constitutes an original state of the Commonwealth of Australia on 1 Jan 1901, the date appointed by a royal proclamation of 17 Sep 1900, issued under an act passed by the Parliament of the United Kingdom (House of Commons on 25 Jun 1900, House of Lords on 5 Jul 1900, received royal assent on 9 Jul 1900) (Public General Acts, 1900, pp. 24-45; Australia Government Gazette, No. 1, 1 Jan 1901, p. 1) [2] |
- Full title: An Act to constitute the Commonwealth of Australia (may be cited as the Commonwealth of Australia Constitution Act).