Fatto matematico: 1935 is the maximum value of n so that there exist 4 denominations of stamps so that every postage from 1 to n can be paid for with at most 17 stamps.
Trivia: 1935 is an unremarkable number.
Data storica: April 18th is the day in 1912 that the Cunard liner RMS Carpathia brings 705 survivors from the RMS Titanic to New York City.