1932

1932 (MCMXXXII) was a leap year starting on Friday of the Gregorian calendar, the 1932nd year of the Common Era (CE) and Anno Domini (AD) designations, the 932nd year of the 2nd millennium, the 32nd year of the 20th century, and the 3rd year of the 1930s decade.

The Cipher Bureau breaks the German Enigma cipher and overcomes the ever-growing structural and operating complexities of the evolving Enigma with plugboard , the main German cipher device during World War II.