1904

• Five organizational meetings held in May, during which the name and first Badge design were selected.
   

• Official Founding: May 30. Badges worn for the first time, colors of red, buff and green chosen, first Fraternity songs presented and sung. A Pledge Pin design adopted.

1905

• First chapter house leased.
   

• Red and buff roses chosen as Fraternity flowers.
   

• Certificate of Incorporation recorded in New York on June 3. Charter granted to Beta Chapter-University of Wisconsin.
   

• The present Badge design adopted.

1906

• Skiouros first appeared as mascot with the installation of Gamma Chapter-Wesleyan University, Middletown, Connecticut.

1907

• First National Convention. The Ritual, Constitution and Armorial Bearings adopted.

1909

• Fraternity spanned the continent with the installation of Iota Chapter-University of Washington.
   

• First issue of the Alpha Gamma Delta Quarterly published.
   

• Fraternity admitted to membership in the National Panhellenic Conference (then National Panhellenic Congress).

1912

• First Songbook published.
   

• Iota Chapter-University of Washington purchased the first chapter-owned house.

1913

• Present Pledge Pin design authorized and official jeweler selected.

1915

• Alumnae advisors to collegiate chapters authorized.
   

• First officer handbook published.
   

• First Convention Feast of Roses held.

1917

• Lifetime subscription to the Quarterly authorized.

1919

• Honors of Epsilon Pi established.
   

• Fraternity became international; chartered Tau Chapter-University of Toronto, beginning a tradition of Fraternity leadership in Canada.
   

• Rose Bowl award for scholarship presented to the Fraternity by the Founders.
   

• Alumnae work recognized to provide for alumnae chapters and alumnae clubs.
   

• International Altruistic Project adopted—summer camp for underprivileged children.

1920

• First summer camp opened at Jackson, Michigan.

1921

• Official banner adopted.

1923

• Executive Council structure created, the first of its kind among Panhellenic groups.

1927

• Central Office established in New York City, one of the first such offices among Panhellenic groups.

1936

• International Reunion Day established as third Saturday in April, replacing Founders Day, which had traditionally been celebrated on May 30.

1947

• Counselor Training Program for rehabilitation of the handicapped, the first of its kind, adopted as International Altruistic Project.  

1957

• Design for Alpha Gamma Delta flag approved. 

1959

• Founders Memorial Fund established for scholarship grants.
   

• Central Office name changed to International Headquarters.
   

• Distinguished Citizen Awards presented for the first time.

1964

• Alpha Gamma Delta Founders Memorial Foundation received federal approval as a tax-exempt public foundation. Scholarship and altruism funds were incorporated into the Foundation.
   

• Alpha Gamma Delta Rehabilitation Project established and children with learning disabilities selected as first recipient.
  
   

• Purchase of first Fraternity-owned International Headquarters authorized by Convention.

1965

• International Headquarters moved to Indianapolis, Indiana.

1967

• Chapter Consultant program began.

1979

• Construction completed on new International Headquarters building in Indianapolis.
   

• Juvenile Diabetes Foundation approved as a Fraternity philanthropic project.

1982

• The Leadership Conference (TLC) first held.

1983

• Junior Circle program and Rose Sister program established as part of the alumnae organization.
   

• Rosevines career resource system organized.

1990

• Founders Memorial Foundation name changed to Alpha Gamma Delta Foundation.

1991

• Grand Council name changed to International Council.
   

• Diabetes mellitus approved as a Fraternity philanthropic project.

1993

• Eight-week new member program implemented in all chapters.
  Alpha Gam Always alumnae program organized.

1996

• See Through the Haze...To a Clearer Purpose, the Fraternity’s hazing awareness program, developed and presented to collegiate and alumnae chapters.

1997

• See Through the Haze...To a Clearer Purpose offered as an educational resource to other NPC organizations as well as to colleges and universities throughout the United States and Canada.

1999

• Strive for Pi Scholarship Program established for collegiate chapters and members.

2003

• The Fraternity develops new vision statement "Inspire the Woman. Impact the World." in conjunction with the Strategic Plan.

2005

• Completion of AlcoholEdu, a science-based course about the effects of alcohol on the body and mind, is made a requirement for Initiation.