Australia's postal system entered a unified phase of development following the federation in 1901. The previously independent postal services of the six colonies came under the control of the federal government, marking the beginning of a nationalised postal network.
Basic designs of Australian postage stamps have evolved gradually in response to historical, political and social changes in Australia. In 1913, the first stamp bearing the name “Australia” featured the iconic “Kangaroo and Map” design was issued, demonstrated the formation of a national postal identity.