Mr Foley is proposing to change the public holiday. Source: Getty.

Across most of Australia the second Monday in June is currently marked by a public holiday to celebrate the official birthday of Queen Elizabeth II, but that could be set to change if Labor are victorious at the next election.

The public holiday, this year held on June 11, honours the monarch’s official state birthday, rather than her real birth date, and is currently celebrated nationwide with the exception of Queensland and Western Australia.

Opposition leader for New South Wales, Luke Foley announced on Monday that the Labor party will replace the Queen’s Birthday holiday with a day celebrating”60,000 years of Indigenous history” if they get into power in the state.

Mr Foley said the change would be “another step in the process of reconciliation”, saying: “A NSW Labor Government will honour the oldest continuing civilisation on the planet, on this day every year. With a public holiday that will celebrate indigenous history & culture & acknowledge the special place the First Peoples occupy…