Vortex Egg rounds up some 1947 synchronicities
The Roswell, New Mexico crash occurred on July 2, 1947.
Aleister Crowley died on December 1, 1947
Sandoz Laboratories, the sole producer of LSD began marketing that drug in its country of origin, Swizterland, under the trade name ?Delysid? in 1947 (it was introduced to the United States the following year).
The Dead Sea Scrolls were discovered
The sound barrier was broken by Gen. Chuck Yeager (USAF) on October 14, 1947.
The transistor was invented on December 16th, 1947.