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 2009 that the Real Irish Republican Army kills two British soldiers and two civilians, the first British military deaths in Northern Ireland since The Troubles.