British Colonisation of Australia By emmahobson10 Apr 28, 1770 Captain James Cook anchors @ Botany Bay. Jan 18, 1788 The First Fleet. Arrives @ Bonanty Bay. Jan 26, 1788 The First Fleet move. From Botany Bay to Port Jackson. Unsuitable for settlements. Jan 1, 1793 Matthew Flinders. Flinder's Journey- Began exploration around Australia. Jan 1, 1861 Australian Boundaries. Governemnt created boundaries for teh colonies: many of these still exist today. Jan 1, 1901 Commonwealth of Australia. established. Jan 1, 1986 British ties severed. Australian independent.