Ireland has won three Grand Slams in the Six Nations rugby championship, achieved in 2009, 2018, and 2023. A Grand Slam is won by defeating all five opposing nations in a single tournament year.
Ireland has won three Grand Slams in the Six Nations rugby championship, achieved in 2009, 2018, and 2023. A Grand Slam is won by defeating all five opposing nations in a single tournament year.
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