Phi Sigma Alpha (ΦΣΑ), commonly known as La Sigma, is a Puerto Rican fraternity originally established as the Sigma Delta Alpha Fraternity (Sociedad de Amigos) on October 22, 1928, at the University of Puerto Rico by 12 students and a professor. Phi Sigma Alpha can trace its roots back to 1898 to the Union Hispano Americana, as well as to the first ever Greek letter Hispanic-oriented fraternity, Sigma Iota, established in 1912. By 1998 there were over 4,376 members.
1928Oct, 22
Phi Sigma Alpha fraternity is founded at the University of Puerto Rico, Río Piedras Campus.
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Events on 1928
- 12Mar
St. Francis Dam
In California, the St. Francis Dam fails; the resulting floods kills 431 people. - 12Apr
Junkers W 33
The Bremen, a German Junkers W 33 type aircraft, takes off for the first successful transatlantic aeroplane flight from east to west. - 4Jun
Zhang Zuolin
The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents. - 18Jun
Amelia Earhart
Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic). - 2Oct
Josemaría Escrivá
The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded by Josemaría Escrivá.