Question: Which magazine was founded first, Mad or Spider?

Context articles: Penco
Andrew Bryan (Baptist)
Krefeld Pinguine
Syracuse Triad
First Descents
Michelle Sun
Stewart Spiers
Spider (magazine)
Tanta University
Mad (magazine)

Penco (Mapudungun: "Peumo water") is a Chilean city and commune in Concepción Province, Bío Bío Region on the Bay of Concepción.
 Founded as the city of Concepción del Nuevo Extremo ('beginning of the new extreme') on February 12, 1550 by Pedro de Valdivia, it is the third oldest city in Chili, after capital Santiago founded first in 1541 and La Serena second in 1544.
Andrew Bryan (1737–1812) founded First Bryan Baptist Church, affectionately called the Mother Church of Black Baptists, and First African Baptist Church of Savannah in Savannah, Georgia, the first black Baptist churches to be established in America.
 Bryan was the former slave of Jonathan Bryan.
The Krefeld Pinguine (Krefeld Penguins) are an ice hockey team in the Deutsche Eishockey Liga.
 Their home ice is in Krefeld, North Rhine-Westphalia, Germany at the König Palast.
 Founded first in 1936 by Willi Münstermann, the pro team became a limited liability company in 1994 and joined the top tier Deutsche Eishockey Liga.
 In their history they have won the German championship in 1952 and 2003.
The Syracuse Triad is the name given to the three women's sororities founded at Syracuse University.
 Alpha Phi was founded first in 1872 by 10 of the original 20 women admitted into Syracuse University.
 Gamma Phi Beta came along two years later in 1874 and with it came the term "sorority," which was coined at the time of its founding.
 (Prior to that, women's Greek-letter organizations used the term "women's fraternity," since no more appropriate term existed.)
 Alpha Gamma Delta completed the triad in 1904.
First Descents is a charitable non-profit organization that gives a free outdoor adventure experience trip to young adults who are fighting cancer.
 Brad Ludden, a professional kayaker, founded First Descents in 2001 at age 20.
Michelle Sun (born late 1980s) is a Hong Kong engineer, entrepreneur and teacher.
 In 2013, she founded First Code Academy which teaches Hong Kong children from the age of six how to code and create mobile applications.
 Teaching is given either in their school classrooms or in the firm's own offices.
Stewart Spiers was a small but innovative firm of plane-makers in Scotland, founded first of all in Ayr in Ayrshire and continuing under the registered name of Stewart Speirs Ltd ["sic"] in Paisley, Renfrewshire, from c. 1933 until its demise in the mid to late 1930s.
 Like the Glasgow firm of Alexander Mathieson & Sons, Spiers benefited hugely from the thriving industries on the Firth of Clyde in the latter half of the nineteenth century.
Spider is an illustrated literary magazine designed for children from 6 to 9 years old.
 Started in January 1994, the magazine is published in the United States by The Cricket Magazine Group, which is owned by the Carus Publishing Company.
 The headquarters of the magazine is in Chicago, Illinois.
 The magazine tells original short stories, poems, nonfiction articles, activities, games and illustrations from world famous authors.
 It also has art and writing contests in each issue and publishes work created by its readers.
It was founded first in 1962 as a branch from the University of Alexandria with the faculty of Medicine only and then it became an independent university named University of the Middle Delta in 1972.
 It had at that time Medicine, Science, Agriculture and Education faculties.
 Then, its name was changed into Tanta University in 1973.
Mad (very often stylized as MAD) is an American humor magazine founded in 1952 by editor Harvey Kurtzman and publisher William Gaines, launched as a comic book before it became a magazine.
 It was widely imitated and influential, affecting satirical media, as well as the cultural landscape of the 20th century, with editor Al Feldstein increasing readership to more than two million during its 1974 circulation peak.
 As of January 2017, "Mad" has published 544 regular issues, as well as hundreds of reprint "Specials", original material paperbacks, compilation books and other print projects.