1949

This number is a prime.

East Germany was established officially as the German Democratic Republic in the emirp year of 1949. [Luhn]

According to the 2000 Wisden, the prime year 1949 had the most dry days (96 out of 123) of any English summer during the 20th century. [Benney]

The first year in which the number of member states in the United Nations was prime (namely fifty-nine). [Post]

The year in which Erdős and Selberg independently gave several "elementary proofs" (i.e., based on number-theoretic methods free of complex analysis) of the celebrated Prime Number Theorem. [Beedassy]

Xerox Corporation's Model A xerographic copier was released in 1949. [Merickel]

The Lee County Tobacco Festival was established in 1949. It is the longest running tobacco festival in the state of Virginia. [Marshalene]

1949 and its automorphic 19999999994444999999999 are primes. [Rivera]

The year recreational mathematician D. R. Kaprekar devised a process now known as Kaprekar's routine. [Nishiyama]

1949 is the largest emirp that can appear on a 24-hour digital clock (00:00 up to 23:59). [Gupta]

The Soviet Union tested its first atomic bomb in 1949. [Milt]

The program to build the USS United States was canceled in 1949. [Truman]

The term "supervolcano" was first used in a volcanic context in 1949. [Bridgeman]

The North Atlantic Treaty Organization (NATO) was created in 1949. [Surles]

"First light" of the Hale Telescope at the Palomar Observatory in San Diego County, California, was in 1949. [Hooper]

The American Museum of Atomic Energy (now AMSE) opened in 1949.