The council, after consulting with Aboriginal elders, have decided to offer the alternative to replace what many indigenous Australians call ‘invasion day’ – the day the first British ships arrived on January 26th 1788.

Fremantle mayor Brad Pettitt said “We were never trying to say to people they couldn’t do anything or shouldn’t do anything on Australia Day,” 

That’s for other people to judge. We’re simply offering what I think is a really good alternative.” however the move isn’t welcomed by all Aboriginals, elder Robert Isaacs said “That’s not in the spirit of the Australia way,“.

source: bbc.co.uk