Events and people that shaped Maryland from 50 years ago, in 1966: •The second Bay Bridge was authorized by the General Assembly but defeated in a referendum. The next year, the act was quickly passed by the General Assembly and signed into by Gov. Spiro T. Agnew. Construction began in 1967 and the span opened to traffic in June 1973.Mrs. Judy Agnew was happy but calm following the victory of her husband, Spiro T. Agnew, in the gubernatorial election.•Republican Agnew beat Democrat George Mahoney in an ugly campaign for the governorship that included charges of racism on both sides.University of Maryland Baltimore County•The University of Maryland campus in Baltimore County opened. On Sept. 19, UMBC's first classes began with 750 students in attendance.•For the first time ever, a baseball was hit clear out of Memorial Stadium. On May 8, in a game against the Cleveland Indians, the Orioles' Frank Robinson clobbered a home run off pitcher Luis Tiant, sending the ball out of the stadium. For Memorial Stadium's remaining years, a flag with the word "HERE" flew in the spot marking where the ball left the ballpark.•Maryland ratified the 25th Amendment to the U.S. Constitution, providing for succession to the presidency.Orioles third baseman Brooks Robinson (5) almost literally flies in to commend winning pitcher Dave McNally (19) as catcher Andy Etchenbarren also rushes up after winning the World Series.•The Baltimore Orioles won the World Series, the first of the club's World Series wins. The O's beat the Los Angeles Dodgers in four consecutive games to take the title. (Frank Robinson was named World Series MVP.)An eight-alarm fire consumes the old Pimlico Race Course clubhouse in June 1966. Destroyed in the blaze were the archives of the Maryland Jockey Club.•The old clubhouse at Pimlico Race Course went up in flames in an eight-alarm blaze. Much was lost, including the archives of the Maryland Jockey Club and the National Jockey Hall of Fame.•Frank Robinson, in his first season with the Baltimore Orioles, won the Triple Crown. The crown goes to the American League or National League player who leads his league in batting average, home runs and runs batted in for the season. Robinson chalked up a .316 batting average, 49 home runs and 122 RBIs.For events in Maryland history from 100 years ago, click here.For events in Maryland history from 25 years ago, click here.