Winners: West Indies beat Australia by 17 runs
The first World Cup included the six Test nations of the time, minus the excluded South Africa, plus Sri Lanka and East Africa.
Some teams struggle with the 60-over format. In one game against hosts England, India got it totally wrong - failing to realise you could not play for a draw!
The West Indies, featuring stars Gordon Greenidge, Viv Richards and Clive Lloyd, won a great final on a balmy evening at Lord's.
They beat an Australian side, including Ian and Greg Chappell and Dennis Lillee, by 17 runs.
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