https://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record?cmpid=email-hist-tdih-2020- [login to see] 0&om_rid=
On October 1, 1961, New York Yankee Roger Maris becomes the first-ever major-league baseball player to hit more than 60 home runs in a single season. The great Babe Ruth set the record in 1927; Maris and his teammate Mickey Mantle spent 1961 trying to break it.