 <translate> The relevant sentence in the passage is: The first Zimbabwean dollar was introduced in 1980 and replaced the Rhodesian dollar at par.
So, the answer is 1980. <yor> Ọ̀rọ̀ tó wà nínú àyọkà náà ni pé: Ọdún 1980 ni wọ́n ṣe owó dọ́là Zimbabwe àkọ́kọ́, ó sì rọ́pò owó dọ́là Rhodesia ní iye kan náà. Nítorí náà, ìdáhùn náà ni 1980. 