Historical clue formulations

• Home to the largest football stadium in Europe — 2022-01-22
• Only Spanish city to host the Olympics — 2021-07-05
• Site of the largest sports arena in Europe — 2014-10-10
• Birthplace of Sert and Miró — 2008-04-19
• Where the Dream Team debuted — 2002-03-27
• XXV Olympics site — 2000-04-23