1900s[]
Boston Americans (1903)
New York Giants (1905)
Chicago White Sox (1906)
Chicago Cubs (1907)
Chicago Cubs (1908)
Pittsburgh Pirates (1909)
NOTE: No World Series happened in 1904 due to a boycott from New York Giants owner John T. Brush who refused letting the team play against the Boston Americans after winning their respective league pennants.
1910s[]
Philadelphia Athletics (1910)
Philadelphia Athletics (1911)
Boston Red Sox (1912)
Philadelphia Athletics (1913)
Boston Braves (1914) (First title in franchise's 44-year history)
Boston Red Sox (1915)
Boston Red Sox (1916)
Chicago White Sox (1917)
Boston Red Sox (1918)
Cincinnati Reds (1919)
1920s[]
Cleveland Indians (1920)
New York Giants (1921)
New York Giants (1922)
New York Yankees (1923)
Washington Senators (1924)
Pittsburgh Pirates (1925)
St. Louis Cardinals (1926)
New York Yankees (1927)
New York Yankees (1928)
Philadelphia Athletics (1929)
1930s[]
Philadelphia Athletics (1930)
St. Louis Cardinals (1931)
New York Yankees (1932)
New York Giants (1933)
St. Louis Cardinals (1934)
Detroit Tigers (1935)
New York Yankees (1936)
New York Yankees (1937)
New York Yankees (1938)
New York Yankees (1939)
1940s[]
Cincinnati Reds (1940)
New York Yankees (1941)
St. Louis Cardinals (1942)
New York Yankees (1943)
St. Louis Cardinals (1944)
Detroit Tigers (1945)
St. Louis Cardinals (1946)
New York Yankees (1947)
Cleveland Indians (1948) (This is to date, the longest active title drought in baseball)
New York Yankees (1949)
1950s[]
New York Yankees (1950)
New York Yankees (1951)
New York Yankees (1952)
New York Yankees (1953)
New York Giants (1954)
Brooklyn Dodgers (1955) (First title in franchise's 73-year history)
New York Yankees (1956)
Milwaukee Braves (1957) (First title since 1914 and first since moving from Boston)
New York Yankees (1958)
Los Angeles Dodgers (1959) (This is team's second title and first since moving from Brooklyn)
1960s[]
Pittsburgh Pirates (1960)
New York Yankees (1961)
New York Yankees (1962)
Los Angeles Dodgers (1963)
St. Louis Cardinals (1964)
Los Angeles Dodgers (1965)
Baltimore Orioles (1966)
St. Louis Cardinals (1967)
Detroit Tigers (1968)
New York Mets (1969)
1970s[]
Baltimore Orioles (1970)
Pittsburgh Pirates (1971)
Oakland Athletics (1972) (First title since 1930 and first since moving from Philadelphia)
Oakland Athletics (1973)
Oakland Athletics (1974)
Cincinnati Reds (1975)
Cincinnati Reds (1976)
New York Yankees (1977)
New York Yankees (1978)
Pittsburgh Pirates (1979)
1980s[]
Philadelphia Phillies (1980) (First title in franchise's 98-year history)
Los Angeles Dodgers (1981) (This was a shortened season due to a strike)
St. Louis Cardinals (1982)
Baltimore Orioles (1983)
Detroit Tigers (1984)
Kansas City Royals (1985)
New York Mets (1986)
Minnesota Twins (1987)
Los Angeles Dodgers (1988)
Oakland Athletics (1989)
1990s[]
Cincinnati Reds (1990)
Minnesota Twins (1991)
Toronto Blue Jays (1992) (First non-American team to win the title)
Toronto Blue Jays (1993)
Atlanta Braves (1995) (This is to date the only team to win the title for three different cities: Boston, Milwaukee and Atlanta)
New York Yankees (1996)
Florida Marlins (1997) (First Wild Card team to win the title)
New York Yankees (1998)
New York Yankees (1999)
NOTE: No World Series happened in 1994 due to a strike from players that abruptly ended the season early. The strike occurred from August 12 to April 2, 1995.
2000s[]
New York Yankees (2000) (This is to date, the latest team to win the titles in consecutive years)
Arizona Diamondbacks (2001) (This is to date, the youngest team to win the title since its establishment in 1998. Scaled down due to the events on 9/11 in New York)
Anaheim Angels (2002) (First title in franchise's 42-year history)
Florida Marlins (2003)
Boston Red Sox (2004) (First title since 1918. This is to date the only baseball team to comeback from a 3-0 deficit in postseason)
Chicago White Sox (2005) (First title since 1917)
St. Louis Cardinals (2006) (First title since 1982)
Boston Red Sox (2007)
Philadelphia Phillies (2008) (First title since 1980)
New York Yankees (2009) (This is the team's 27th and most recent title, most than all other major league teams)
2010s[]
San Francisco Giants (2010) (First title in 56 years and first since moving from New York)
St. Louis Cardinals (2011)
San Francisco Giants (2012)
Boston Red Sox (2013) (This was the team's first series win at Fenway Park since 1918 which recovered the city of Boston six months after the marathon bombings on April 15)
San Francisco Giants (2014)
Kansas City Royals (2015) (First title since 1985)
Chicago Cubs (2016) (First title since 1908. This was the longest title drought in baseball overall)
Houston Astros (2017) (First title in franchise's 56-year history. The team was later investigated of sign-stealing which sparked the scandals across the media)
Boston Red Sox (2018)
Washington Nationals (2019)
2020s[]
Los Angeles Dodgers (2020) (First title since 1988. This was scaled-down starting in March due to the tragic COVID-19 world pandemic events)
Atlanta Braves (2021)
Houston Astros (2022)
Texas Rangers (2023) (First title in franchise's 63-year history)