1874

On November 9, 1874, our five founding women recieved a letter from the college administration approving their petition to form Sigma Kappa Sorority. Thus, this date has since been considered our Founder's Day.

1875

First initiation ceremony. Death of Elizabeth Gorham Hoag.

1890

Because of a membership limitation of 25, Sigma Kappa established Beta* chapter on the Colby campus.

1891

Lavender and maroon were first mentioned as sorority colors.

1892

At the annual reunion meeting, the violet was chosen by unanimous vote as the sorority flower at the earnest request of Nellie Bakeman Donovan, Alpha.
Gamma* chapter established at Colby.

1893

It was decided to fill the ranks of Alpha chapter, to initiate no more into Beta and Gamma chapters, and to extend Sigma Kappa beyond Colby walls.

1894

Triangle pin was adopted- "maroon enamel, unjeweled."

1896

Odes of 1896 were published.

1904

With the installation of Delta chapter, the first beyond the Colby campus, extension grew nationwide. Sigma Kappa was incorporated under the laws of the state of Maine.

1905

Sigma Kappa was admitted to the National Panhellenic Conference.

1907

The Sigma Kappa Triangle, Sigma Kappa's official magazine, was established and has been published regularly since its first issue in January 1907. A new song book, edited by Sara M. Collins, Delta, was published.

1911

Sigma Kappa coat-of-arms adopted.

1915

The pearl was adopted as our official jewel. Our official banner was accepted.

1918

The Maine Sea Coast Missionary Society was adopted as our national philanthropy in honor of our founders, who were all from Maine.

1920

New member pin adopted.
A second edition of the song book, edited by Sara M. Collins, Delta, was published.

1924

History of Sigma Kappa, 1874-1924, edited by Emma E. Kinne, Epsilon, was published.
National headquarters was first established and located in Reading, Massachusetts.
Hattie May Baker, Delta, was appointed as executive secretary.

1926

Death of Mary Low Carver.

1927

The name, Sigma Kappa, was patented.

1930

A new song book was published. Ruth E. Litchen, Xi, was appointed executive secretary, and national headquarters was moved to Lawrence, Kansas.

1933

Death of Ida Fuller Pierce.

1935

Death of Frances Mann Hall.

1936

National headquarters was moved to Indianapolis, Indiana. Margaret H. Taggart, Alpha Iota, was appointed as Director of NHQ. In honor of our 60th anniversary, a poetry anthology edited by Lillian M. Perkins, Omicron, entitled Brave Maroon, was published.

1937

First traveling secretary (field consultant), Ruth Norton Donnelly, Lambda, was appointed.

1941

October issue of the Sigma Kappa Triangle was our fourth song book.

1949

Death of Louise Helen Coburn.

1950

History of Sigma Kappa, 1874-1949, written by Lillian M. Perkins, Omicron, was published.

1954

Gerontology was adopted as our third national philanthropy.

1956

With the purchase of a permanent national headquarters at 3433 Washington Blvd., Indianapolis, Indiana, Sigma Kappa became one of the first NPC groups to own its own home.

1959

Sigma Kappa and Pi Kappa Sigma sororities merged.

1962

The Sigma Kappa Foundation was established to award scholarships and grants to students and to handle all of the sorority's philanthropic endeavors.

1970

Sigma Kappa Directory was published.

1974

CENTENNIAL YEAR-History of Sigma Kappa, 1874-1974, was published.

1978

The Order of the Triangle ceremony was accepted as part of our ritual.

1982

Graduate consultants were added to our field personnel.

1984

Alzheimer's Disease and Related Disorders was adopted as a focus for our gerontology philanthropy.
Brave Maroon II was published. The second poetry anthology was edited by Lillian Perkins, Omicron.
The dove was accepted as our official symbol.

1985

First Sigma Kappa in space, Dr. Rhea Seddon, Lambda. A mission specialist for NASA, she carried Sigma Kappa's badge on the space shuttle.

1987

AWARE-Guidelines for the Social Chairman was published.

1988

Booklet of Significant Sigma Kappas was published.
Heart adopted as an official symbol.

1990

The national headquarters building located at 8733 Founders Road, Indianapolis, Indiana, was purchased by the Sigma Kappa Foundation.

1992

Adoption of Inherit the Earth as an additional focus for the gerontology program.

1993

National Housing Corporation established to assist collegiate chapters with housing and furnishing needs.

1996

Sigma Kappa becomes the first NPC sorority to undertake a consistent graphic identity campaign as a part of a marketing communication plan.

1997

Promise for New Members was published.

1998

Sigma Kappa Web site debuted.

1999

Promise for Initiated Members was published.
Sigma Kappa celebrated 125th Anniversary.

2000

Sigma Kappa became one of the first Greek letter organizations to begin a licensing program for its vendors, Shop Sigma Kappa.

2001

Virtual Violet, an online e-magazine for alumnae, debuted.

2001

For Sisters Only section added to the Web site.

2003

Sigma Kappa's paperless plan was debuted - All printed materials were made available on the private side of the Web site and Monthly officer mail started being sent via e-mail.

2004

The 25-year pin was adopted at the 2004 national convention.

2005

Redesigned Web site debuted.