tax scales from seven to three (32 per cent, 46 per cent and 60 per cent) and also provided personal tax cuts to operate from 1 February 1978. 17 August - The Federal Treasurer, Phillip Lynch, addresses the National Press Club of Australia and blames the Arbitration Commission for the lack of improvement in unemployment for its failure to restrain wages through its decisions. 21 August - Mail services returns to normal following the end of a national postal dispute. 23 August - Cabinet makes its final decisions on uranium, endorsing the main findings of the Fox inquiry unless there were 'compelling reasons' for departing from them. It was agreed that mining could proceed, subject to environmental controls and a stringent nuclear safeguards regime. The Ranger mine could be developed without further environmental assessment, but the other two mines in the Alligator River region – Jabiluka and Koongarra – would not be approved for a considerable time. Cabinet also agreed on the staged establishment of Kakadu National Park, although the Ranger, Jabiluka and Koongarra uranium leases were to be excluded from it. 24 August – Australia's first 7-Eleven convenience store opens in the Melbourne suburb of Oakleigh. September 4 September – The Queensland government bans street marches and demonstrations. 6 September - Victoria experiences a statewide 24-hour stoppage of train, tram and tramway bus services due to a strike by 20,000 public transport workers - the third strike in a month. The Federal Attorney-General, Mr Ellicott, quits the Fraser Ministry after a row with Cabinet over the conspiracy case against former Labor Ministers. Senator Durack is appointed in his place. 15 September - The ACTU congress resolved to ban the mining and export of uranium from mid-November unless the Government agreed to hold a referendum on the issue. The referendum proposal was not favoured by the Australian Labor Party, most of whose Parliamentary leaders were inclined to support mining. The Indian military attaché in Canberra and his wife were attacked by a member of the Indian Ananda Marga sect. 17 September – A state election is held in South Australia. The incumbent Australian Labor Party led by Don Dunstan is returned to power. October 8 October – The Tasman Bridge in Hobart re-opens after repair to the damage sustained in the Tasman Bridge disaster when the bridge was struck by the bulk ore carrier MV Lake Illawarra on 5 January