Fatto matematico: 4815 is the number of ways to stack 33 boxes in a line so that each box lies on the table or on a box next to 2 boxes.
Trivia: 4815 is a boring number.
Data storica: March 7th is the day in 1850 that Senator Daniel Webster gives his "Seventh of March" speech endorsing the Compromise of 1850 in order to prevent a possible civil war.