CIA - The World Factbook -- Flag of Australia

Flag of Australia
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Flag Description: blue with the flag of the UK in the upper hoist-side quadrant and a large seven-pointed star in the lower hoist-side quadrant known as the Commonwealth Star, representing the federation of the colonies of Australia in 1901; the star depicts one point for each of the six original states and one representing all of Australia's internal and external territories; the remaining half is a representation of the Southern Cross constellation in white with one small five-pointed star and four larger, seven-pointed stars