Real Madrid are the most decorated Champions League winners, having won it 13 times, followed by AC Milan, who have won the title seven times.
Here is the record of winners of the Champions League football competition (formerly the European Club Cup) since its inception in 1956:
1956: Real Madrid
1957: Real Madrid
1958: Real Madrid
1959: Real Madrid
1960: Real Madrid
1961: Benfica
1962: Benfica
1963: AC Milan
1964: Inter Milan
1965: Inter Milan
1966: Real Madrid
1967: Celtic of Scotland
1968: Manchester United
1969: AC Milan
1970: Feyenoord of the Netherlands
1971: Dutch Ajax
1972: Dutch Ajax
1973: Dutch Ajax
1974: Bayern Munich
1975: Bayern Munich
1976: Bayern Munich
1977: Liverpool
1978: Liverpool
1979: Nottingham Forest
1980: Nottingham Forest
1981: Liverpool
1982: Aston Villa
1983: Hamburg of Germany
1984: Liverpool
1985: Juventus
1986: Romanian Steaua Bucharest
1987: Porto, Portugal
1988: PSV Eindhoven
1989: AC Milan
1990: AC Milan
1991: Yugoslav Red Star
1992: Barcelona
1993: Marseille
1994: AC Milan
1995: Dutch Ajax
1996: Juventus
1997: Borussia Dortmund
1998: Real Madrid
1999: Manchester United
2000: Real Madrid
2001: Bayern Munich
2002: Real Madrid
2003 : AC Milan
2004: Porto, Portugal
2005: Liverpool
2006: Barcelona
2007: AC Milan
2008: Manchester United
2009: Barcelona
2010: Inter Milan
2011: Barcelona
2012: Chelsea
2013: Bayern Munich
2014: Real Madrid
2015: Barcelona
2016: Real Madrid
2017: Real Madrid
2018: Real Madrid
2019: Liverpool
2020: Bayern Munich
Most
13 titles: Real Madrid (1956, 57, 58, 59, 60, 66, 98, 2000, 2002, 2014, 2016, 2017 and 2018)
Seven titles: Milan (1963, 69, 89, 90, 94, 2003 and 2007)
Six titles: Liverpool (1977, 78, 81, 84, 2005 and 2019) and Bayern Munich (1974, 75, 76, 2001, 2013 and 2020)
Five titles: Barcelona (1992, 2006, 2009, 2011 and 2015)
Four titles: Ajax Amsterdam (1971, 72, 73 and 95)
Countries with 18 titles
: Spain
13 titles: England
12 titles: Italy
Eight titles: Germany
Six titles: Netherlands