Australia Day wasn't always on January 26

As the Opposition Leader Bill Shorten tries to shut down the Australia Day debate, a new poll shows that most Australians aren't too worried about changing the date.

Australian and Aboriginal flags seen on the Harbour Bridge Source: AAP

The survey from the Australia Institute comes as the Greens spearhead calls to shift the January 26 date.

But Australia Day hasn't always been celebrated on January 26.