On Thanksgiving Eve of 1888, Sarah Ida Shaw and Eleanor Dorcas Pond found Tri Delta at Boston University to "be kind alike to all and think more of the girl's inner self and character than of her personal appearance."
Nov 28th, 1888 - Nov 30th, 2020
The first issue of The Trident, edited by Emily Allen, Boston University, is published.
Alpha Alliance, Tri Delta's first alumnae chapter, is founded.
Aug 29th, 1892
The 1893 World's Fair, known as the World's Columbian Exposition, opens in Chicago.
Tri Delta holds its first Convention, entertained by Epsilon Chapter at Knox College in Galesburg, Illinois.
May 24th, 1893 - May 26th, 1893RELATED ITEM: Epsilon Charter Members Reproduction Photograph
The United States Supreme Court issues a ruling on Plessy v. Ferguson and upholds the constitutionality of racial segregation, facilitating the passage of Jim Crow laws in much of the country.
May 18th, 1896
Tri Delta's first Memorial Service is held during the 1897 Convention.
The Spanish-American War begins with the U.S. intervening on the side of Cuba in the Cuban War of Independence. When the war ends, the United States temporarily controls Cuba and owns Puerto Rico, Guam, and the Philippine islands. The Philippines does not gain independence until 1946. Puerto Rico and Guam remain U.S. territories to this day.
Apr 21st, 1898 - Aug 13th, 1898
President William McKinley is assassinated, and Theodore Roosevelt becomes U.S. president.
Sep 14th, 1901
Alpha Phi calls the first inter-sorority meeting that resulted in the formation of the association now known as the National Panhellenic Conference (NPC). Tri Delta is one of the founding member organizations.
May 24th, 1902
The Boston Americans beat the Pittsburgh Pirates in the first World Series played in Major League Baseball.
The age of flight is born as the Wright brothers stage the first successful flight in Kitty Hawk, North Carolina.
Dec 17th, 1903
The first edition of Songs of Delta Delta Fraternity is published.
Oct 1905RELATED ITEM: Songs of Delta Delta Delta, 1905
Tri Delta's coat of arms is adopted at the 1906 Convention.
1906RELATED ITEM: Tri Delta Coat of Arms Drawing
Tri Delta's first history book, A Detailed Record of Delta Delta Delta, 1888-1907, is published. Bessie Leach Priddy, Adrian College , serves as the editor.
1907RELATED ITEM: A Detailed Record of Delta Delta Delta, 1888-1907
Ford begins producing the Model T.
Oct 1st, 1908
The second edition of Songs of Delta Delta Fraternity, edited by R. Louise Fitch, Knox College, is published.
1912RELATED ITEM: Songs of Delta Delta Delta, 2nd Edition, 1912
Tri Delta's first recognizable Executive Office is established in an upstairs sitting room in the home of Amy Parmelee's, Northwestern University, parents at 1609 Sherwin Avenue in Chicago, Illinois. Tri Delta is the first NPC group to have its own central office.
1912 - 1916
The British ocean liner RMS Titanic sinks.
Apr 15th, 1912
Alpha Chapter of Tri Psi is founded in Indianapolis, Indiana. Tri Psi is the only Greek-letter mothers' sorority and the only national sorority for mothers of fraternity women.
Jul 28th, 1914 - Nov 11th, 1918
The U.S. declares war on Germany, thus entering World War I.
Apr 6th, 1917
The 18th Amendment becomes law, making liquor, beer, and wine illegal. Prohibition continues until 1933.
Jan 16th, 1919
After decades of speeches, rallies, parades, and women demanding the right to vote at the federal level, the U.S. Secretary of State certifies the ratification of the 19th Amendment, stating that no citizen could be denied the right to vote on the basis of sex. Twenty-six million women become voters.
Aug 26th, 1920
Tri Delta sponsors a tour of Europe, organized and chaperoned by R. Louise Fitch, Knox College.
1921RELATED ITEM: Europe 1921: Delta Delta Delta Tour Organized and Chaperoned by Miss R. Louise Fitch Brochure, 1921
Tri Delta's third songbook, Delta Delta Delta Convention Songbook, edited by E. Jane Johnson, DePauw University, is published.
1922RELATED ITEM: Delta Delta Delta Convention Song Book, 1922
Tri Delta's Executive Office is located in the Hoyburn Building at 615 Davis Street in Evanston, Illinois.
1922 - 1923
Tri Delta's Executive Office is located at 1718 Sherman Avenue in Evanston, Illinois.
1923 - 1941
The fourth edition of Songs of Delta Delta Fraternity, edited by Russell Ranson Richardson, University of Cincinnati, is published.
1925RELATED ITEM: Songs of Delta Delta Delta, 4th Edition, 1925
The fifth edition of Songs of Delta Delta Fraternity, edited by Russell Ranson Richardson, University of Cincinnati, is published.
1926 - 1929RELATED ITEM: Songs of Delta Delta Delta, 5th Edition, 1925
The name Pine Press is used for the first time for Tri Delta's Convention newspaper at the 1928 Convention.
1928RELATED ITEM: Pine Press, Vol. 19, No. 3, June 28, 1938
The Great Depression, the worst economic downturn in the history of the industrialized world, lasts from 1929-1939. At the beginning of the depression, 25 percent of the workforce is unemployed, and hourly wages drop 60 percent.
1929 - 1939
The U.S. stock market crashes, beginning the Great Depression.
Oct 29th, 1929
The sixth edition of Songs of Delta Delta Fraternity, edited by Russell Ranson Richardson, University of Cincinnati, is published.
1930RELATED ITEM: Songs of Delta Delta Delta, 6th Edition, 1930
A Detailed Record of Delta Delta Delta, 1888-1931, edited by Bessie Leach Priddy, Adrian College, is published.
1931RELATED ITEM: A Detailed Record of Delta Delta Delta, 1888-1931
The seventh edition of Songs of Delta Delta Fraternity, edited by Russell Ranson Richardson, University of Cincinnati, is published.
1932RELATED ITEM: Songs of Delta Delta Delta, 7th Edition, 1932
The 21st Amendment passes, repealing the 18th Amendment and making alcohol legal once again.
Dec 5th, 1933
The eighth edition of Songs of Delta Delta Fraternity, edited by Russell Ranson Richardson, University of Cincinnati, is published.
1934RELATED ITEM: Songs of Delta Delta Delta, 8th Edition, 1934
The eighth edition of Songs of Delta Delta Fraternity, edited by Marguerite Peyton Thompson, University of Cincinnati, is published. Although an eighth edition of the book had previously been published in 1934, this volume was still called the eighth edition.
1935RELATED ITEM: Songs of Delta Delta Delta, 8th Edition, 1935
The ninth edition of Songs of Delta Delta Fraternity is published.
1937RELATED ITEM: Songs of Delta Delta Delta, 9th Edition, 1937
Tri Delta celebrates its 50th anniversary at the 1938 Convention in Swampscott, Massachusetts.
Jun 25th, 1938 - Jul 1st, 1938RELATED ITEM: Minutes of the Nineteenth National and Fourth International Convention of Delta Delta Delta, June 27-30, 1938
The 10th edition of Songs of Delta Delta Fraternity, edited by Olive Yoder Lewis, Stanford University, is published.
1939RELATED ITEM: Songs of Delta Delta Delta, 10th Edition, 1939
World War II sees more than 300,000 women serve in the military as part of the WACs, WAVEs and SPARs. Many other women join the workforce while the men go off to war.
Sep 1st, 1939 - Sep 2nd, 1945
Tri Delta's Executive Office is located in the 2108 Chicago Daily News Building in Chicago, Illinois.
1941 - 1956
The Japanese Navy attacks Pearl Harbor and other U.S. possessions in the Pacific, prompting the United States to enter World War II.
Dec 7th, 1941
The 11th edition of Songs of Delta Delta Fraternity is published.
1942RELATED ITEM: Songs of Delta Delta Delta, 11th Edition, 1942
President Harry S. Truman appoints the Committee on Civil Rights to investigate the status of civil rights in the United States.
The 12th edition of Songs of Delta Delta Fraternity is published.
1946RELATED ITEM: Songs of Delta Delta Delta, 12th Edition, 1946
Tri Delta celebrates its 60th anniversary at the 1948 Convention in Banff, Alberta, Canada.
Jun 24th, 1948 - Jun 29th, 1948RELATED ITEM: Attendees at the 1948 Convention Photograph, June 24-28, 1948
The U.S. and 11 other Western nations form the North Atlantic Treaty Organization (NATO).
The Korean War begins when Communist North Korean forces invade South Korea. Fighting ends when an armistice is signed on July 27, 1953, but the war never officially ends.
Jun 25th, 1950 - Jul 27th, 1953
The Executive Board establishes the Golden Circle Ceremony to honor 50-year members of Tri Delta.
1953RELATED ITEM: Golden Circle Members at the 1964 Convention Photograph, June 15-20, 1964
The U.S. Supreme Court rules unanimously that racial segregation in public schools is unconstitutional.
The Executive Board establishes the annual Leadership Award to honor an outstanding collegiate member of Tri Delta for her accomplishments and diversity in activities on campus.
The number of television sets in the United States is at 32 million, up from just 3.1 million in 1950.
The undeclared war in Vietnam begins in 1955, lasting for 19 years.
Nov 1st, 1955 - Apr 30th, 1975
Tri Delta's Executive Office is located in the 1709 London Guarantee Building in Chicago, Illinois.
1957 - 1961RELATED ITEM: Margaret Haller and Helen Notesteen at Executive Board Meeting Photograph, January 1957
Sputnik, a Soviet satellite, is launched, beginning the Space Age.
Oct 4th, 1957
The 13th edition of Songs of Delta Delta Fraternity is published.
1958RELATED ITEM: Songs of Delta Delta Delta, 13th Edition, 1958
U.S. involvement in Vietnam escalates in 1960, with troop levels gradually surging from just under 1,000 in 1959 to more than 16,000 in 1963.
1960 - 1963
The Beatles, widely regarded as the most influential rock 'n' roll band, form in Liverpool.
James Meredith becomes the first Black student to enroll at the previously all-white University of Mississippi. The campus riots, and 13,500 federal troops are called in.
Tri Delta's Executive Office is located in Suite 600 of the 6 N. Michigan Avenue building in Chicago, Illinois.
1962 - 1971RELATED ITEM: Delta Delta Delta Executive Office Guestbook, 1960s
President John F. Kennedy is assassinated in Dallas, Texas.
Nov 22nd, 1963
The Civil Rights Act of 1964 is passed, ending segregation in public places and banning employment discrimination on the basis of race, color, religion, sex, or national origin.
Tri Delta celebrates its 75th anniversary at the 1964 Convention in Washington, D.C.
Jun 15th, 1964 - Jun 20th, 1964RELATED ITEM: 75th Convention Banquet Program, June 19, 1964
A U.S. destroyer allegedly clashes with a North Vietnamese fast-attack craft. In response, the Gulf of Tonkin Resolution gives President Lyndon B. Johnson broad authorization to increase U.S. military presence in Vietnam, deploying ground combat units for the first time and increasing troop levels from about 23,000 to 184,000.
Aug 2nd, 1964
Diane Petersen is initiated into Delta Upsilon Chapter at Ohio Wesleyan University, the first woman of color to become a member of Tri Delta, marking an important milestone in Tri Delta's history of diversity, equity, and inclusion.
South Vietnamese forces are unable to withstand the Tet Offensive launched by the North Vietnamese in January and February of 1968, and U.S. forces have to defeat the North Vietnamese. The episode shows that the end of U.S. involvement is nowhere in sight, and domestic skepticism of the war increases.
Civil Rights Movement leader Martin Luther King Jr. is assassinated in Memphis, Tennessee.
Apr 4th, 1968
The Apollo 11 Mission puts a man on the moon.
Jul 20th, 1969
The National Guard fires on students protesting the expansion of the Vietnam War at Kent State University in Ohio, killing four and wounding nine others.
May 4th, 1970
Tri Delta moves its Executive Office from Chicago to Arlington, Texas.
1972 - 1985RELATED ITEM: Two Executive Office Staff Members at the Parkway Plaza Office Photograph
The U.S. Congress passes the Equal Rights Amendment, stating that, "Equality of rights under the law shall not be denied or abridged by the U.S. or any state on account of sex." In order to become law, it must be ratified by 38 states within 10 years.
Title IX is passed. An exception allows fraternities and sororities to remain single-sex private organizations.
The Sarah Ida Shaw Award replaces the Leadership Award as the annual award for an outstanding collegiate member of Tri Delta.
Police arrest men attempting to bug the Democratic National Committee headquarters, marking the beginning of the Watergate scandal.
Jun 17th, 1972
The U.S. ends direct military involvement in Vietnam, but the war does not end for another two years.
Facing impeachment charges, President Richard Nixon becomes the first U.S. president to resign.
Aug 6th, 1974
North Vietnamese forces capture Saigon, the capital of South Vietnam, ending the Vietnam War.
Apr 30th, 1975
The U.S. Air Force Academy admits its first female student.
The Ernestine Block Grigsby Award is established to honor an alumna member for her continuous support of and contribution to Tri Delta on a local level.
A group of Iranian college students who support the Iranian Revolution take over the U.S. Embassy in Tehran and hold 52 Americans hostage for 444 days.
Nov 4th, 1979 - Jan 20th, 1981
Sandra Day O'Connor becomes the first woman appointed to the U.S. Supreme Court.
MTV launches, featuring popular music videos.
Aug 1st, 1981
The Equal Rights Amendment fails, after being ratified by only 35 of the necessary 38 states.
Sally Ride becomes the first American woman in space.
A hole in the ozone layer is discovered.
Tri Delta moves into a new Executive Office at 2313 Brookhollow Plaza Drive in Arlington, Texas.
Dec 27th, 1985RELATED ITEM: Tri Delta Moving Into Brookhollow Plaza Drive Executive Office Photograph, December 27, 1985
The Challenger Shuttle explodes after launch.
Jan 18th, 1986
Tri Delta dedicates a new Executive Office at 2313 Brookhollow Plaza Drive in Arlington, Texas.
Apr 13th, 1986RELATED ITEM: Dedication of the Delta Delta Delta National Headquarters Program, April 13, 1986
The 14th edition of Songs of Delta Delta Fraternity, edited by Catherine Lynch Lawdanski, Southwestern University, and Marlene Allen Norberg, Colorado State University, is published.
Stock markets around the world crash, with the Dow Jones falling 508 points (22.61%).
Oct 19th, 1987
History of Delta Delta Delta, 1888-1988, compiled by Margaret Paddock Haller, Cornell University, is published.
1988RELATED ITEM: A History of Delta Delta Delta, 1908-1988
Tri Delta celebrates its 100th anniversary at the 1988 Convention in Boston, Massachusetts.
Jul 1st, 1988 - Jul 6th, 1988RELATED ITEM: A Call to Celebration: Centennial Convention Program, July 1-6, 1988
The Berlin Wall comes down, marking a symbolic end to the Cold War.
The Americans with Disabilities Act (ADA) goes into effect.
The U.S. leads coalition forces in war against Iraq.
The Soviet Union collapses.
The World Wide Web is born. In just two years, 3 million people are "on line." By 1998, that number increases to 100 million.
The Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma, is bombed by a domestic terrorist. At least 168 people are killed, and more than 680 are injured. It is the deadliest terrorist attack in U.S. history up to this point.
Apr 19th, 1995
Dolly the sheep is the first mammal to be cloned.
Jul 5th, 1996
American robotic spacecraft Pathfinder lands on Mars.
Two students at Columbine High School commit a deadly massacre, killing 12 of their classmates and one teacher. It is the first high-profile school shooting.
Apr 20th, 1999
Tri Delta names its first class of Women of Achievement, recognizing members who have demonstrated achievement and leadership in their volunteer, philanthropic, civic, or professional pursuits.
2000RELATED ITEM: Delta Delta Delta Women of Achievement: 2004 Recipients Booklet
Millennium celebrations take place all over the world as a new century is ushered in. Fears about Y2K turn out to be unfounded.
Terrorists hijack airplanes and crash them into the World Trade Center Towers, the Pentagon, and a field in Pennsylvania. As a result of the attacks, 2,996 people are killed and more than 6,000 are injured, with others dying from complications in the coming years. It is the deadliest terrorist attack in U.S. history.
Sep 11th, 2001
The U.S.-led war in Afghanistan begins as an effort to remove the Taliban from power. While this goal is completed by the end of the year, U.S. and allied troops continue to fight Taliban insurgents for more than 18 years, and the war continues to this day.
Oct 7th, 2001
Apple releases the first iPod.
Oct 23rd, 2001
Mar 20th, 2003 - Dec 18th, 2011
Hurricanes Dennis, Katrina, Rita, and Wilma devastate the southern U.S. in the fall of 2005.
A global financial crisis begins with a crisis in the subprime mortgage market in the U.S., and becomes a full-blown international crisis with the collapse of the investment bank Lehman Brothers. It is considered by many to be the most serious financial crisis since the Great Depression.
2007 - 2008
A massacre at Virginia Tech kills 32 people and wounds 23 others.
Apr 16th, 2007
Tri Delta inaugurates Reflections: Body Image Program as part of member education. Later called BodyImage3D, the program focuses on body image awareness and eating disorder prevention.
2008RELATED ITEM: BodyImage3D Implementation Guide
Barack Obama becomes the first African American to be elected president of the United States.
Nov 4th, 2008
A series of anti-government protests, uprisings, and armed rebellions spread across the Islamic world.
Dec 2010 - Dec 2012
Tri Delta moves into a new Executive Office at 14951 N. Dallas Pkwy., Suite 500 in Dallas, Texas.
Tri Delta launches a podcast called Let’s Talk Tri Delta.
Tri Delta introduces LEADDDer.org, an online platform that offers dynamic learning and development opportunities, including on-demand, self-paced training for collegiate chapter officers and volunteers, and exclusive personal and professional leadership content for all members.
The outbreak of COVID-19 results in millions of cases and deaths around the world and causes social and economic disruptions on a global scale.
2020 - 2021
Tri Delta’s 2020 Convention delegates vote to expand the number of Executive Board members by two and ask the Leadership Development Committee (LDC) to fill those vacancies with Black, Indigenous, and Sisters of Color.
On November 8, 2020, more than 350 sisters from around the globe joined together online for the first-ever virtual International Founders’ Day event, celebrating 132 years of Tri Delta with a message of hope and resilience amid the COVID-19 pandemic.
Nov 8th, 2020