" The Minister of Army answered, “Bob, I thought that you would have been an astute and clever enough a politician to think of this yourself, but seeing how you have asked me, I suggest that you wait until eight in the night on Thursday 29/April/1965 to announce that Australia will send the First Battalion Royal Australian Regiment to fight in South Vietnam. By you waiting until the evening of 29/April/1965 to announce this in Parliament, the labour opposition leader of Arthur Caldwell and his deputy leader of Gough Whitlam should be absent, as will be most of the entire parliament, because the following day is the beginning of a long week-
end. You are legally not required to give advanced warning to the house, so you can easily get away with this! "

― Michael G. Kramer , A Gracious Enemy & After the War Volume One