 <translate> This is the relevant information: The Milwaukee Brewers' 1998 season was the first season for the franchise as a member of the National League.
Therefore, the answer is 1998. <yor> Ìròyìn tó ṣe kókó nìyí: Ọdún 1998 Milwaukee Brewers' ni ìgbà àkọ́kọ́ tí wọ́n kópa nínú ìdíje náà gẹ́gẹ́ bí ọmọ ẹgbẹ́ National League. Nítorí náà, ọdún 1998 ni ìdáhùn náà. 