Fatto generale: 451 is the temperature at which the paper in books ignites, giving the name to Ray Bradbury's novel Fahrenheit 451.
Fatto matematico: 451 is the smallest number whose reciprocal has period 10.
Trivia: 451 is the temperature at which the paper in books ignites, giving the name to Ray Bradbury's novel Fahrenheit 451.
Data storica: March 26th is the day in 1971 that East Pakistan declares its independence from Pakistan to form People's Republic of Bangladesh and the Bangladesh Liberation War begins.