Portal : Australia/Anniversaries/April/April 30
World Expo 88
1831 – Captain Collet Barker , the first to explore the area around present-day Adelaide , South Australia , is killed by Aborigines near Lake Alexandrina .
1915 – During the Gallipoli Campaign , HMAS AE2 , a Royal Australian Navy submarine, is sunk by enemy shellfire in the Sea of Marmara in present-day Turkey .
1969 – Sir Paul Hasluck is appointed Governor-General of Australia , succeeding The Lord Casey .
1988 – World Expo 88 (pictured) , part of the Australian Bicentenary , opens in Brisbane , Queensland .
2003 – Chinese-born stockbroker Rene Rivkin is found guilty of insider trading in relation to a purchase of 50,000 shares in Qantas , the national airline of Australia.
2006 – Miners Brant Webb and Todd Russell are found alive five days after a mine collapse in Beaconsfield , Tasmania .