Acts of Union 1801. The second version post-1801 is depicted on the Australian Flag. It was often used to represent them collectively, and each colony also had its own flag based on the Union Flag. As an Australian national consciousness began to emerge, several flag movements were formed and unofficial new flags came into common usage. Two attempts were made throughout the nineteenth century to design a national flag. The first such attempt was the National Colonial Flag created in 1823–1824 by Captains John Nicholson and John Bingle. This flag consisted of a red cross on a white background, with an eight-point star on each of the four limbs of the cross, while incorporating a Union Flag in the canton. The most popular "national" flag of the period was the 1831 Federation Flag, also designed by Nicholson. This flag was the same at the National Colonial Flag, except that the cross was blue instead of resembling that of St. George. Although the flag was designed by Nicholson in 1831, it did not become widely popular until the latter part of the century, when calls for federation began to grow louder. These flags, and many others such as the Eureka Flag (which came into use at the Eureka Stockade in 1854), featured stars representing the Southern Cross. The oldest known flag to show the stars arranged as they are seen in the sky is the Anti-Transportation League Flag, which is similar in design to the present National Flag. The differences were that there was no Commonwealth Star, while the components of the Southern Cross are depicted with eight points and in gold. This flag was only briefly in usage, as two years after the formation of the Anti-Transportation League in 1851, the colonial authorities decided to stop the intake of convicts, so the ATL ceased its activities. The Eureka Flag has become an enduring symbol in Australian culture and has been used by various groups and movements. The Murray River Flag, popular since the 1850s, is still widely used by boats that traverse Australia's main waterway. It is the same as the National Colonial Flag, except that the white background in the three quadrants other the canton were replaced with four alternating blue and white stripes, representing the four major rivers that run into the Murray River. 1901 Federal Flag Design Competition As Federation approached, thoughts turned to an official federal