Fatto matematico: 1261 is a Hexanacci-like number starting from 1, 1, 1, 1, 1, and 1.
Trivia: 1261 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 14th is the day in 1954 that U.S. President Dwight D. Eisenhower signs a bill into law that places the words "under God" into the U.S.