MLB Team Guide
Baltimore Orioles: History, World Series & Facts
The franchise began in 1901 as the Milwaukee Brewers, played as the St. Louis Browns from 1902 to 1953, and moved to Baltimore in 1954. The Orioles have won three World Series, in 1966, 1970 and 1983.
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Updated live from ESPN.
Quick facts
| Founded | 1901, a charter member of the American League |
|---|---|
| Ballpark | Oriole Park at Camden Yards, Baltimore (opened 1992) |
| World Series titles | 3 (1966, 1970, 1983) |
| AL pennants | 7 through the 2025 season (1944, 1966, 1969, 1970, 1971, 1979, 1983) |
| Name history | Milwaukee Brewers (1901), St. Louis Browns (1902–1953), Baltimore Orioles (1954–) |
World Series history
All three of the franchise's World Series titles came in Baltimore. The 1944 Browns won the franchise's first pennant.
- 1966 World Series: swept the Los Angeles Dodgers 4–0
- 1970 World Series: beat the Cincinnati Reds 4–1
- 1983 World Series: beat the Philadelphia Phillies 4–1
- Also won AL pennants in 1944 (as the St. Louis Browns), 1969, 1971 and 1979
Franchise history
- 1901: Played the first American League season as the Milwaukee Brewers.
- 1902: Moved to St. Louis and became the Browns.
- 1954: Moved to Baltimore and became the Orioles.
- 1966: Won the franchise's first World Series.
- 1992: Opened Oriole Park at Camden Yards.
- 1995: Cal Ripken Jr. played his 2,131st straight game, passing Lou Gehrig's record.
Franchise record holders
| Hits | Cal Ripken Jr., 3,184 |
|---|---|
| Home runs | Cal Ripken Jr., 431 |
| Pitching wins | Jim Palmer, 268 |
Retired numbers
- 4Earl Weaver
- 5Brooks Robinson
- 8Cal Ripken Jr.
- 20Frank Robinson
- 22Jim Palmer
- 33Eddie Murray
- 42Jackie Robinson (retired across MLB)
Hall of Famers
Brooks Robinson, Frank Robinson, Jim Palmer, Earl Weaver, Eddie Murray, Cal Ripken Jr., George Sisler (St. Louis Browns).
Biggest rivalries
- New York Yankees: AL East rivals since the division formed in 1969, who beat Baltimore in the 1996 ALCS and 2012 ALDS.
- Washington Nationals: the regional Beltway Series.
- Boston Red Sox: AL East rivals since the division formed in 1969.
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Where did the Orioles play before Baltimore?
In Milwaukee in 1901 and in St. Louis, as the Browns, from 1902 to 1953.
How many World Series have the Orioles won?
Three: 1966, 1970 and 1983.
When did Camden Yards open?
In 1992. Before that the Orioles played at Memorial Stadium from 1954 to 1991.
How long was Cal Ripken Jr.'s consecutive games streak?
2,632 games, from 1982 to 1998. He passed Lou Gehrig's record of 2,130 on Sept. 6, 1995.
Who won the 1983 World Series?
The Orioles, who beat the Philadelphia Phillies four games to one.
Sources
Facts checked September 23, 2026. Live figures above come from ESPN.