<P> The Dodgers share a fierce rivalry with the San Francisco Giants, the oldest rivalry in baseball, dating back to when the two franchises played in New York City . Both teams moved west for the 1958 season . The Brooklyn Dodgers and Los Angeles Dodgers have collectively appeared in the World Series 19 times, while the New York Giants and San Francisco Giants have collectively appeared 20 times and have been invited 21 times . The Giants have won two more World Series (8); the Dodgers have won 22 National League pennants, while the Giants hold the record with 23 . Although the two franchises have enjoyed near equal success, the city rivalries are rather lopsided and in both cases, a team's championships have predated to the other's first one in that particular location . When the two teams were based in New York, the Giants won five World Series championships, and the Dodgers one . After the move to California, the Dodgers have won five in Los Angeles, the Giants have won three in San Francisco . </P> <P> The Dodgers were founded in 1883 as the Brooklyn Atlantics, taking the name of a defunct team that had played in Brooklyn before them . The team joined the American Association in 1884 and won the AA championship in 1889 before joining the National League in 1890 . They promptly won the NL Championship their first year in the League . The team was known alternatively as the Bridegrooms, Grooms, Superbas, Robins, and Trolley Dodgers before officially becoming the Dodgers in the 1930s . </P> <P> In Brooklyn, the Dodgers won the NL pennant several times (1890, 1899, 1900, 1916, 1920, 1941, 1947, 1949, 1952, 1953, 1955, 1956) and the World Series in 1955 . After moving to Los Angeles, the team won National League pennants in 1959, 1963, 1965, 1966, 1974, 1977, 1978, 1981, 1988, and 2017, with World Series championships in 1959, 1963, 1965, 1981 and 1988 . In all, the Dodgers have appeared in 19 World Series: 9 in Brooklyn and 10 in Los Angeles . </P> <P> For most of the first half of the 20th century, no Major League Baseball team employed an African American player . Jackie Robinson became the first African American to play for a Major League Baseball team when he played his first major league game on April 15, 1947, as a member of the Brooklyn Dodgers . This was mainly due to general manager Branch Rickey's efforts . The deeply religious Rickey's motivation appears to have been primarily moral, although business considerations were also a factor . Rickey was a member of The Methodist Church, the antecedent denomination to The United Methodist Church of today, which was a strong advocate for social justice and active later in the American Civil Rights Movement . </P>

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