September 30, amongst many other things, is "Blasphemy Day":
https://en.wikipedia.org/wiki/Blasphemy_Day
El, the Captain:
https://en.wikipedia.org/wiki/El_(deity)
September 30 in history:
* ...
* 1882 – Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation on the Fox River in
Appleton, Wisconsin, United States.
* 1888 – Jack the Ripper kills his third and fourth victims, Elizabeth Stride and Catherine Eddowes.
* 1931 – Start of "Die Voortrekkers" youth movement for Afrikaners in Bloemfontein, South Africa.
* 1935 – The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
* 1938 – The League of Nations unanimously outlaws "intentional bombings of civilian populations".
* 1947 – The World Series, featuring the New York Yankees and the Brooklyn Dodgers, is televised for the first time.
* 1954 – The U.S. Navy submarine USS Nautilus is commissioned as the world's first nuclear reactor powered vessel.
* 1955 – Film star James Dean dies in a road accident aged 24.
* 1965 – Trapped in the Sky, the pilot episode of Gerry Anderson's beloved Thunderbirds, airs on ITV for the first time.
* 1968 – The Boeing 747 is rolled out and shown to the public for the first time at the Boeing Everett Factory.
* 1975 – The Hughes (later McDonnell Douglas, now Boeing) AH-64 Apache makes its first flight.
* 1977 – Because of US budget cuts and dwindling power reserves, the Apollo program's ALSEP experiment packages left on the Moon are shut down.
* 1980 – Ethernet specifications are published by Xerox working with Intel and Digital Equipment Corporation.
* 2004 – The first images of a live giant squid in its natural habitat are taken 600 miles south of Tokyo.
* 2004 – The AIM-54 Phoenix, the primary missile for the F-14 Tomcat, is retired from service. Almost two years later, the Tomcat is retired.
* 2005 – The controversial drawings of Muhammad are printed in the Danish newspaper Jyllands-Posten.
* ....
more at
https://en.wikipedia.org/wiki/September_30