In the fall of , the second major baseball franchise shift of the mid-20th century took place (after the Boston Braves moved to Milwaukee in 1952), with long suffering Baltimore civic and business interests purchasing the perennially cellar-dwelling St. Louis Browns from controversial but enterprising owner Bill Veeck and moving them northeast of Washington to the Chesapeake Bay port city. In the spring of , the Browns moved to a newly renovated and modernized Memorial Stadium on the site of their former northeastern city collegiate football bowl, and replacing the earlier minor league level "Triple A" "Orioles" (also sometimes nicknamed the "Birds") of the International League where they had been consistent champions since the 1910s. The additional competition in the same League for Maryland and Virginia area baseball fans added to the complexion around the nation's capital for the rest of the 1950s as the new "Baltimore Orioles" swiftly built their team prospects with astute trades and farm system output during the rest of the decade, finally becoming pennant contenders by . They continued their winning ways as one of the most dominant teams in professional baseball for the next two decades overpowering even the hapless third Senators franchise in 1961–1971.
