claim: Benzodiazepine was globally the most prescribed medication for lung cancer in 1977.
evidence: The Zeppelin LZ 4 was a German experimental airship constructed under the direction of Ferdinand von Zeppelin .. airship. airship. Ferdinand von Zeppelin. Ferdinand von Zeppelin. First flown on 20 June 1908 , it made a series of successful flights including a 12-hour flight over Switzerland .. Switzerland. Switzerland. It was destroyed when it caught fire after landing to carry out engine repairs during a projected 24-hour endurance trial .. This disaster proved fortunate for Zeppelin  : donations by the German public raised 6.5 million marks , so guaranteeing the future of his development of airships .