Ok I got bored yesterday (office closed due to flooding rains) so I decided to research the dates that had question marks. I researched a lot more than I got answers for, but here is what I was able to find (in state order, as they appear in the beginning of the thread):
Iowa
University of Iowa - Alpha Epsilon Phi - recharter date 2006
(Source: chapter website)
Mississippi
Ole Miss (source: wiki page on greek life)
- Delta Delta Delta - recharter date 1926
- Delta Gamma - 1927 - 1931, 1938
- Zeta Tau Alpha - 1989 - 1999
New York
Colgate University (source:
Colgate student paper article)
- Pi Beta Phi - closed 1992
- Alpha Chi Omega - closed 1996
St. Lawrence University - Pi Beta Phi - closed 1994
(source: university wiki page, greek life section)
North Carolina
East Carolina University - Kappa Delta - recharter 2000
(source: chapter facebook page)
Ohio (these are both conjecture rather than firm dates)
University of Cincinnati - Sigma Delta Tau - closed 2002 or later (based on linked source which stipulates their house was occupied until that date)
(Source:
UC Library Archives)
Wittenberg University - Delta Zeta - early 1990s (based on alumnae comments on the announcement that they would be presenting this week for expansion)
Oregon
Oregon State - Pi Beta Phi - at least 1982
(source: article on historical buildings citing that year as one their house was added. Not the firmest, I know).
Pennsylvania
Gettysburg College - Alpha Xi Delta - closed 1999
(source:
'Weekly Gettysburgian' Article)
Lehigh University - Delta Zeta - 1995/96
(Source: article in "The Morning Call" archives)
University of Pennsylvania (source: articles from "the daily Pennsylvanian")
- Pi Beta Phi - closed 2000 -
Article
- Phi Sigma Sigma - 1926-2002, 2004-2010 -
Article
- Kappa Delta - closed 1994 -
Article
Waynesburg College - Alpha Delta Pi - closed 1996
(source: "More Sisters" - history book published 2011, viewable in digital archives)
Texas
Tarleton State - Alpha Sigma Alpha - founded 1991
(source:
ASA Twitter)
Quebec
Bishop's University - Alpha Delta Pi - closed 2010
(source: "More Sisters" - history book published 2011, viewable in digital archives)
I apologize if there are any typographical errors, I'm doing this from my phone which is not the easiest!