Indeed she did make a difference in 1975 when her representative fired no other than the Prime Minister.

Source: https://en.m.wikipedia.org/wiki/1975_Australian_constitution...

Yes, every once in a while. Hence my qualification with 'much of a difference'.

sure, we also have a couple of atomic bombs only. Not much difference there either.

True, and the recently revealed correspondence from Sir John Kerr to Buckingham Palace confirms that quite often the Crown is only obliquely involved for fear of politicising the head of state.

Thanks. I had no idea what he was talking about lol.