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EXAMPLES FROM CORPUS
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At their triennial congress on Sept. 15-21, 1990, delegates adopted a new party programme replacing that of 1975.
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June 30 would mark the end of the triennial contract cycle that had punctuated labor-management relations in the copper industry since midcentury.
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The triennial election for the Senate Presidency took place on Oct. 2.
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The Fourth Lateran Council, held at the end of his reign, imposed a triennial twentieth for the same purpose.