1980–81 Australia Tri-Nation Series
| 1980–81 World Series | |||||||||||||||||||||||||||||
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| Date | 23 November 1980 – 3 February 1981 | ||||||||||||||||||||||||||||
| Location | Australia | ||||||||||||||||||||||||||||
| Result | Won by Australia 3–1 in final series | ||||||||||||||||||||||||||||
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The 1980–81 Australia Tri-Nation Series (more commonly known as the 1980–81 World Series) was a cricket tournament held in Australia from 23 November 1980 to 3 February 1981. It was the second edition of the Australian Tri-Series, with Australia playing host to India and New Zealand. The series was a part of the Indian and New Zealand tours.
After matches were played in Adelaide, Brisbane, Melbourne, Sydney and Perth throughout the entire group-stage, Australia and New Zealand qualified for the finals where after the underarm incident in the third final, Australia went on to win 3–1.