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Space Shuttle Endeavour is launched

During liftoff several pieces of insulation foam from the external tank hit the heatshield. One of them created a small puncture. Astronauts then inspected the puncture throughout the rendezvous with the ISS. The damage was minor and was not dangerous. Similar damage caused the Columbia disaster in 2003.

Space Shuttle Columbia is launched

The mission details are classified. Early reports speculated that the primary payload was an Advanced KH-11 photo-reconnaissance satellite. Today it is widely believed that the main payload was the first SDS-2 communications satellite. Columbia travelled 3.4 million kilometres during 81 orbits of the Earth.

The German airship Graf Zeppelin begins a round-the-world flight

A German-built Zeppelin LZ 127 took off for its 1st flight around the globe. The flight took the Graf Zeppelin through the Atlantic to Germany and then it continued on across Eastern Europe and the Soviet Union. After flying through Siberia, it stopped in Tokyo, before continuing through the Pacific and landing in the LA.

Anniversaries of the (in)famous

born 1931

Roger Penrose

born 1902

Paul Dirac