Floyd Mayweather Jr. was born on February 14, 1977.
On May 26, 2001, Mayweather, fighting in his hometown of Grand Rapids, pounded out a 12-round unanimous decision over future IBF super featherweight titleholder Carlos Hernndez to retain his WBC super-featherweight title
Under the reforms that instituted the Julian calendar, Intercalaris was abolished, leap years occurred regularly every fourth year, and in leap years February gained a 29th day

