Sigma Delta Pi’s National Charter Month, History Book Special and Ruth Barnes Replica Membership Pin

November 2020 is Sigma Delta Pi’s National Charter Month

During all of November and to commemorate Sigma Delta Pi’s 101st Birthday,
complimentary copies of T. Earle Hamilton’s 1995 Sigma Delta Pi: A Brief History, 1919-1994 (218 pp) and LaPrade and Del Mastro’s2005 Recounting a Decade, 1995-2004 (37 pp) will be included with each purchased, signed copy of Del Mastro’s 2020 book Sigma Delta Pi: Rediscovering a Century: 1919-2019, available at Sigma Delta Pi’s national website:
This book can serve as a special award/recognition for chapter members or guest speakers, or as a holiday gift.

There is still time to hold a fall 2020 initiation of new members!

Remember that the limited-edition, Ruth Barnes replica membership pin (pictured above)
is issued to every new member initiated through December 31, 2020
to commemorate Sigma Delta Pi’s very first, formal initiation ceremony on May 1, 1920.

Remember that guidelines for remote (ZOOM) ceremonies are available at

Sigma Delta Pi: Centennial Celebration and Replica Membership Pins for Spring 2020 Initiates


In Spring 2020, Sigma Delta Pi celebrates the centennial
of its first formal induction of new members that took place on May 1, 1920 at 1629 Walnut Street in Berkeley, CA under the leadership of undergraduate student Ruth Helen Barnes, the Society’s founder and first president.

Ruth Barnes Student

Ruth H. Barnes

To commemorate its inaugural initiation ceremony,
Sigma Delta Pi will issue a replica of Ruth Barnes’ original membership pin
to every new member inducted during the spring of 2020:


Current members may also purchase this special replica membership pin through their home chapters.

Sigma Delta Pi’s centennial celebration continues through July 2020,
and we encourage our chapters to plan local activities that are appropriate for this special period in our history.

Sigma Delta Pi Celebrates 100 Years: 1919-2019. New Centennial Webpage!

SDPCentennialPinSigma Delta Pi, the National Collegiate Hispanic Honor Society,
begins its centennial celebration on January 1, 2019 to commemorate its founding on November 14, 1919 by a junior undergraduate student named Ruth Helen Barnes:

Ruth Barnes pic

Because the first official induction ceremony of new members was conducted on May 1, 1920, our centennial commemoration will continue through June 30, 2020.

During this 18-month celebration, we will recognize our Society’s 100-years through numerous initiatives and projects detailed on our new centennial webpage:

Please bookmark and visit this page often for regular updates on various opportunities to participate in this historic commemoration.

A special “Felicidades” section of Entre Nosotros will feature reflections/tributes from Sigma Delta Pi’s members and friends, who are invited to submit their warm wishes for the 100th birthday of the National Collegiate Hispanic Honor Society.

Submission deadline: January 25, 2019

Click here for submission details/instructions.


Dr. John T. Reid, Founder of Entre Nosotros and 2nd National President of Sigma Delta Pi.
News Service Biographical Files, Duke University Archives,
David M. Rubenstein Rare Book & Manuscript Library, Duke University.