Question: Was Happy Joe's or Gatti's Pizza founded first?

Context articles: Syracuse Triad
Krefeld Pinguine
Stewart Spiers
Penco
Andrew Bryan (Baptist)
Gatti's Pizza
Happy Joe's
Peppes Pizza
First Descents
Tanta University

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.
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.
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.
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.
Gatti's Pizza (formerly Mr. Gatti's) is a Southeastern United States pizza-buffet chain.
 Gatti's Pizza, founded in 1964 is owned by Blue Sage Capital, a private equity investment firm.
 The corporate offices are in Austin, Texas.
Happy Joe's Pizza & Ice Cream Parlor is an American pizza parlor chain based in Bettendorf, Iowa.
 The restaurant chain was founded in 1972 by Lawrence Joseph "Happy Joe" Whitty, a former Shakey's Pizza manager.
 Its 61 restaurants are mostly located in the Midwestern United States (in Iowa, Illinois, Missouri, Minnesota, North Dakota and Wisconsin).
, although the company is also present in Arizona.
 The idea for Happy Joe's came from a combination of a pizza parlor and ice cream palace.
Peppes Pizza is a Norwegian pizza chain that serves American style and Italian style pizza.
 Peppes is the largest pizza chain in Scandinavia.
 The restaurant was founded by two Americans, Louis Jordan and his wife Anne from Hartford, Connecticut.
 The restaurant chain is part of Umoe Catering As which consists of restaurants such as Burger King, TGI Fridays, La Baguette and Cafe Opus.
 Peppes Pizza is one of the first restaurants that brought foreign food to Norway.
 9 million pizzas are served by Peppes each year with deliveries in 11 cities in Norway.
 Their menu was first put online in March 1995.
 The servings have been described as enough for two people and that the pizza chain is "a cut above the rest".
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.
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.