The Australian Flag came into being after the the federation of the Australian States into the
Commonwealth of Australian on 1 January, 1901.
Australian flag can be considered to consist of three main elements:
-The Union Jack in the upper hoist quadrant or first quarter (also know as the Canton), denoting Australia's historical links with Great Britain.
-The Southern Cross in the second quarter (also known as the top or head) and fourth quarter. Consists of five stars in a more or less kite-like pattern - Alpha Crucis (7-point), Beta Crucis (7-point), Gamma Crucis (7-point), Delta Crucis (7-point) and the smaller Epsilon Crucis (5-point).
-The Commonwealth Star or Star of Federation, central in the third quarter or lower hoist, has seven points to denote the six states and the combined territories of the Commonwealth.