Fatto generale: 26 is the number of miles in a marathon rounded down (26 miles and 385 yards).
Fatto matematico: 26 is the only positive integer that is one greater than a square (25 = 52) and one less than a cube (27 = 33).
Trivia: 26 is the number of episodes in a television program each year (usually).
Data storica: January 26th is the day in 1905 that the world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.62135 kg), is found at the Premier Mine near Pretoria in South Africa.