According to those who supported it, the right of nullification had been exercised before the Nullification Crisis in the .

Year, 1832

Explanation:

The right of nullification is the lawful belief that states have the jurisdiction to make any federal law unlawful by the United States constitution.

This is based on the notion that it is the states that combined to establish the federal government by the formation of the United States Constitution in 1787 and thereby can define the extent to which the federal government can exercise its power.

On the other hand, the Nullification Crisis occurred in the Year 1832, between South Caroline and the federal government. With South Carolina effort to proclaim the Federal Tariffs in the state unconstitutional

Hence, According to those who supported it, the right of nullification has been exercised before the Nullification Crisis in the "YEAR 1832."

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