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 uninteresting number.
Data storica: April 18th is the day in 1899 that the St. Andrew's Ambulance Association is granted a Royal Charter by Queen Victoria.