 Detroit owner Frank Navin, then 64 years old, had been running the organization for 30 years and had seen four of his teams win American League pennants, only to lose four World Series.On November 13, 1935, five weeks after the Tigers finally won the World Series, Navin suffered a heart attack while riding a horse and died.When the Tigers won the 1935 World Series, the City of Detroit was mired in the Great Depression, which had hit Detroit and its industries particularly hard.