the bundesliga was dominated by two sides through the 1970s. borussia mönchengladbach became the first team to successfully defend its title with its win in 1970–71. bayern munich became the first three-time champion with wins in 1971–72, 1972–73 and 1973–74. borussia mönchengladbach then turned a triple of its own over the following three seasons. after wins by köln and hamburg, bayern closed out the decade by matching mönchengladbach's five titles.