May 2021 – what caused the crash of the zeppelin Hindenburg in 1937?
They are among the most sought-after philatelic covers in the world. The approximately 400 letters and postcards that “survived” the crash of the airship “Hindenburg” (LZ129) in Lakehurst on May 6, 1937, more or less damaged. During landing, a hydrogen fire broke out at the rear of the zeppelin and spread rapidly. Seconds later, it Read More …