I can't answer the question but can say that after the 1958 season Aaron had totalled 140 home runs so my guess is that his 139th was hit very late in the 1958 season. Whew ... now I can answer it. Aaron hit his 139th home run on September 12, 1958 against the St. Louis Cardinals.
April 8, 1974
Hank Aaron hit 755 career home runs.
Hank Aaron hit 3 home runs in a game in 1959.
Hank Aaron hit 755 career home runs.
Hank Aaron hit 399 career solo home runs.
Hank Aaron hit home run number 569 in Cincinnati, on May 15, 1970.
Not in MLB. Hank Aaron retired after the 1976 season.
The most home runs Hank Aaron hit in one season was 47, in 1971.
Hank Aaron hit 95 career home runs against the Brooklyn/LA Dodgers.
Hank Aaron
Having the most home.
Hank Aaron played in 3298 games between 1954-1976. He hit his final home run on July 20, 1976.