Crux of Crux is the distinctive asterism known as the Southern Cross. It has great significance in the cultures of the southern hemisphere, particularly of Australia and New Zealand. "Southern Cross" is a single released by Crosby, Stills and Nash in 1981. It reached #18 on Billboard Hot 100 in late 1982. Several southern countries and organisations have traditionally used Crux as a national or distinctive symbol. The four or five brightest stars of Crux appear, heraldically standardised in various ways, on the flags of Australia, Brazil, New Zealand, Papua New Guinea and Samoa. They also appear on the flags of
2015–16 New Zealand flag referendums have been replaced once worn out. Official documents depicting the current flag, such as driver licences, would have been phased out as a matter of course – in the case of driver licences, this would have been when licences are renewed and would therefore have taken up to 10 years. New Zealand Government ships and those non-government ships flying the New Zealand flag (instead of the New Zealand Red Ensign) would have been given an extra six months to change their flag to the new design. Ships flying the New Zealand Red Ensign and ships belonging to the New Zealand