Colum­bus Day is a nation­al hol­i­day in many coun­tries of the Amer­i­c­as and else­where, and a fed­er­al hol­i­day in the Unit­ed States, which offi­cial­ly cel­e­brates the anniver­sary of Christo­pher Colum­bus’s arrival in the Amer­i­c­as.