Fatto generale: 480 is the number of hours for rocking non-stop in a rocking chair, a world record held by Dennis Easterling of Atlanta.
Fatto matematico: 480 is the smallest number which can be written as the difference of 2 squares in 8 ways.
Trivia: 480 is the number of hours for rocking non-stop in a rocking chair, a world record held by Dennis Easterling of Atlanta.
Data storica: April 24th is the day in 1932 that Benny Rothman leads the mass trespass of Kinder Scout, leading to substantial legal reforms in the United Kingdom.