1863: George Parker, inventor of the the first successful fountain pen and founder of the Parker Pen Company, was born. 1870: The United States Weather Bureau made its first (and probably incorrect) meteorological observations. 1884: Greenwich Mean Time (GMT) was officially adopted. 1922: A radio license fee of ten shillings was introduced in Great Britain. 1932: Wernher von Braun was installed as head of the German liquid-fuel rocket program. 1939: The German Heinkel He 178 made its first demonstration flight before aviation ministry members. 1952: The United States exploded the first ever hydrogen bomb at Eniwetok in the Marshall Islands. 1995: Intel introduced the 32-bit Pentium Pro microprocessor than ran at a blinding 200 MHz. 2005: Nokia announced it had successfully made cellular calls over Wi-Fi in its labs.