I took an interest in the Union Flag and the historical ties between Canada, Australia, New Zealand and the United Kingdom:
YouTube video showing the evolution here:
Shield 1. Ontario (St George’s Cross and Maple Leaf), 2. Quebec (Fleur De Lis, Royal Lion of England and Maple Leaf), 3. Nova Scotia (Thistle and Fish) and 4. New Brunswick (Royal Lion of England and sailing ship).
Shield 5. Manitoba (St George’s Cross and bison who roamed the province), 6. British Colombia (The royal crest of the Imperial Lion upon the Imperial Crown), 7. Prince Edward Island (Three oak samplings denoting the Island’s three counties beneath a mature Oak which represents Great Britain).
Shield 6. British Colombia Updated (“The sun never sets on the British Empire”)
New Zealand had a referendum on changing their flag. They decided to keep their Blue Ensign:
The Southern Cross Crux α-Crux 9 sided, β-Crux 8 sided, γ-Crux 7 sided, δ-Crux 6 sided and ε-Crux 5 sided. The number of sides in each star denotes the relative brightness of the Southern Cross.
The Commonwealth star 6-sided representing the 6 states of the Commonwealth of Australia.
See the first Australia Red Ensign restored to its glory:
All stars in the Crux updated to 7 sides. This emphasises the Commonwealth star which is updated to 7 sides denoting 6 states and a territory (and any future territories).
Shield 7. Alberta (St George Cross above Rocky Mountains and their foothills followed by grass prairies and cultivated wheat fields) and 8. Saskatchewan (Royal Lion on yellow field – similar to the Royal banner of Scotland and three gold sheaves of wheat representing the province’s agriculture)
All stars in the Crux updated to 7 sides. This emphasises the Commonwealth star which is updated to 7 sides (6 territories and a state).
The change of flag was forced upon Canada by the Liberal government despite the popularity of the much loved Canadian Red Ensign (my personally favourite flag). If a referendum had occurred on the flag change it may have likely failed like the case with New Zealand. See the Great Canadian Flag Debate: