March 14 is the official day for Pi Day derived from the common three-digit approximation for the number Pi, 3.14. It is usually celebrated at 1:59 pm (3.14159). Parties have been held by mathematics departments of various schools around the world. This is not to be confused with Pi Approximation Day[?] on July 22.
... they were released from prison camps. They hid weapons in preparation to fight again.
Others were former socialists and communists who had fled Gestapo. Many of them ...