... a fast start at establishing their legend in professional football.
They joined the fledgling All American Football Conference in 1945, and won the leagues championship by the next season.
Cleveland would then win the next three championships, and dominated the AAFC.
The AAFC would fold after 1949, and the Browns jumped to the NFL in 1950.
The Browns proved to the NFL they were a true force to be reckoned with in their first game with the league.
They destroyed the two-time defending champion Philadelphia Eagles, thus setting a tone of what was soon to follow.
Cleveland won the 1950 NFL Championship, and would do so again in 1954 and 1955.
After winning the 1964 championship, the Browns went back to the title game in 1965, 1968, anf 1969 an...
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