Number 13-class battleship Number 13-class battleship The "Number 13"-class battleship was a planned class of four fast battleships to be built for the Imperial Japanese Navy (IJN) during the 1920s. The ships never received any names, being known only as "Numbers 13–16". They were intended to reinforce Japan's "eight-eight fleet" of eight battleships and eight battlecruisers after the United States announced a major naval construction program in 1919. The "Number 13" class was designed to be superior to all other existing battleships, planned or building. After the signing of the Washington Naval Treaty in 1922, they were cancelled in November 1923 before construction
13 (number) In the Mayan Tzolk'in calendar, trecenas mark cycles of 13-day periods. The pyramids are also set up in 9 steps divided into 7 days and 6 nights, 13 days total. In the standard 52-card deck of playing cards there are four suits, each of 13 ranks. In a tarot card deck, XIII is the card of Death, usually picturing the Pale horse with its rider. A baker's dozen, devil's dozen, long dozen, or long measure is 13, one more than a standard dozen. 13 (number) 13 (thirteen) is the natural number following 12 and preceding 14. Strikingly folkloric aspects of