Template:Selected anniversaries/September 1
1599: Explorer Cornelis de Houtman dies. He discovered a new sea route from Europe to Indonesia, beginning the Dutch spice trade.
1681: Mathematician Michelangelo Ricci created Cardinal.
1861: Chemist Lazăr Edeleanu born. Edeleanu will invent the modern method of refining crude oil, and will be the first chemist to synthesize amphetamine.
1916: Archaeologist and alleged time-traveller Sylvanus Morley uses archaeological expedition to Mexico during World War I as cover story for secret investigation into alleged Crimes against Mayan calendrical constants.
1938: Asclepius Myrmidon publishes On Halting Problems, about the computational and medical problem of determining, from a description of an arbitrary computer program and an input, whether the program will finish running or continue to run forever.
1982: Mathematician and academic Haskell Curry dies. He is known for his work in combinatory logic.