View source for Template:Selected anniversaries/May 6

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File:Johann_Joachim_Becher.jpg|link=Johann Joachim Becher (nonfiction)|1635: Physician, alchemist, scholar, and adventurer [[Johann Joachim Becher (nonfiction)|Johann Joachim Becher]] born. Becher will propose [[Phlogiston theory (nonfiction)|Phlogiston theory]] in an attempt to explain processes such as combustion and rusting, which are now collectively known as oxidation.

File:Charles Messier.jpg|link=Charles Messier (nonfiction)|1730: Astronomer [[Charles Messier (nonfiction)|Charles Messier]] observes the Mercury transit, his first documented observation.

File:Penny Black.jpg|link=Penny Black (nonfiction)|1840: The [[Penny Black (nonfiction)|Penny Black postage stamp]] becomes valid for use in the United Kingdom of Great Britain and Ireland.

File:Hindenburg disaster.jpg|link=Hindenburg disaster (nonfiction)|1937: [[Hindenburg disaster (nonfiction)|Hindenburg disaster]]: The German zeppelin ''Hindenburg'' catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.

File:Six Seconds to Hell.jpg|link=Six Seconds to Hell|1938: Steganographic analysis of the well-known illustration ''[[Six Seconds to Hell]]'' "almost certainly depicts the [[The Eel]] punching [[Colonel Zersetzung]] as they fall from the [[Hindenburg disaster (nonfiction)|Hindenburg]]."

File:EDSAC.jpg|link=Electronic delay storage automatic calculator (nonfiction)|1949: [[Electronic delay storage automatic calculator (nonfiction)|EDSAC]], the first practical electronic digital stored-program computer, runs its first operation, calculating a table of squares and a list of prime numbers.

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