Claim: The Commonwealth of Australia v State of Tasmania was decided on July 1, 1983 with judges Gibbs CJ, Mason, Murphy, Wilson, Brennan (jurist who served as a Chief Justice of Australia), Deane & Dawson JJ.
Evidence: Commonwealth v Tasmania (popularly known as the Tasmanian Dam Case) was a significant Australian court case, decided in the High Court of Australia on 1 July 1983. Gibbs CJ, Mason, Murphy, Wilson, Brennan, Deane & Dawson JJ Sir Francis Gerard Brennan AC KBE GBS QC (born 22 May 1928) is a retired Australian lawyer and jurist who served as the 10th Chief Justice of Australia (appointed by Prime Minister Paul Keating in 1995).