Question: When did the pool that housed the Civil Rights Heritage Center first open?

Context paragraphs:
1968 British Hard Court Championships: The 1968 British Hard Court Championships was a combined men's and women's tennis tournament played on outdoor clay courts at The West Hants Club in Bournemouth in England.  It was the first tournament in the Open Era of tennis.  The tournament was held from 22 April to 27 April 1968.  Ken Rosewall and Virginia Wade won the first open singles titles while the men's team of Roy Emerson and Rod Laver and the women's team of Christine Truman Janes and Nell Truman won the first open doubles titles.

Civil Rights Heritage Center: The Civil Rights Heritage Center (CRHC) was established on the campus of Indiana University South Bend as a result of student interest and faculty support as a center for the study and documentation of civil rights history.  Through community involvement, students, faculty, and community members joined forces to push for the restoration of a public building known for its policy of racial discrimination against African Americans as a center for the study of civil rights.  Housed in the former Engman Public Natatorium – South Bend, Indiana's first swimming pool that excluded and then segregated against African Americans for almost thirty years – the CRHC is dedicated to the preservation of the legacy of the Civil Rights Movement, as well as the history of race and ethnic relations in the Michiana area, and seeks to provide education, research, and forums, while examining human rights principles and challenges for future generations.

Weeksville Heritage Center: The Weeksville Heritage Center is a historic site in the New York City borough of Brooklyn.  Weeksville is one of America's first free black communities during the 19th century.  Within this community, the residents established schools, churches and benevolent associations and were active in the abolitionist movement.  Weeksville is a historic settlement of national significance and one of the few remaining historical sites of pre-Civil War African-American communities.  The Heritage Center focuses on tours, arts and crafts, literacy and historical preservation programs for public-school students.  During the summer of 2017, the center is presenting an exhibit on “Fashioning the Women of Weeksville.”  The site is managed by the Weeksville Society, a historical society that maintains the 12400 sqft site comprising the historic Hunterfly Houses and an open grassy area.  Outgoing director Tia Powell Harris will step down in August 2017 to return to her native Maryland.  Rob Fields, digital media marketer and curator of black culture, will serve as Interim Executive Director as of September 5, 2017.

Alaska Native Heritage Center: The Alaska Native Heritage Center is an educational and cultural institution for all Alaskans, located in Anchorage, Alaska.  The center opened in 1999.  The Alaska Native Heritage Center shares the heritage of Alaska's 11 major cultural groups.  These 11 groups are the Athabaskan people, Eyak people, Tlingit people, Haida people, Tsimshian people, Unangax people (Aleut), Alutiiq people, Yup'ik, Cup'ik, Siberian Yupik, and Inupiaq.

Cherokee Heritage Center: The Cherokee Heritage Center is a non-profit historical society and museum campus that seeks to preserve the historical and cultural artifacts, language, and traditional crafts of the Cherokee.  The Heritage center also hosts the central genealogy database and genealogy research center for the Cherokee People.  The Heritage Center is located on the site of the mid-19th century Cherokee Seminary building in Park Hill, Oklahoma, a suburb of Tahlequah, and was constructed near the old structure.  It is a unit of the Cherokee National Historical Society and is sponsored by the Cherokee Nation, the United Keetoowah Band of Cherokee Indians, and other area tribes.  The center was originally known as Tsa-La-Gi but is now known as the Cherokee Heritage Center.

Hjemkomst Center: The Heritage Hjemkomst Interpretive Center, commonly known as the Hjemkomst Center, is a museum in Moorhead, Minnesota.  Hjemkomst Center first opened in 1985 and serves as a home to "Hjemkomst" Viking Ship, Hopperstad Stave Church replica, quarterly museum exhibits, and county archives.  In 2009, the Clay County Historical Society (which was founded in 1932) and the Heritage Hjemkomst Interpretive Center merged to form the Historical and Cultural Society of Clay County.

Margo Schlanger: Margo Jane Schlanger (born 1967) is a Professor of Law at the University of Michigan Law School, and the founder and director of the Civil Rights Litigation Clearinghouse.  From 2010-2012, while on leave from her professorial position, she served as the presidentially-appointed Officer for Civil Rights and Civil Liberties at the United States Department of Homeland Security.  As the top civil rights official at the Department of Homeland Security, Schlanger led the office that advises Department leadership about civil rights and civil liberties issues, engages with communities whose civil rights and civil liberties may be affected by Department activities, investigates and resolves civil rights complaints, and leads the Departments equal employment opportunity program.  Schlanger's major initiatives as Civil Rights and Civil Liberties Officer included: creating and managing a structure for overseeing the Department's controversial Secure Communities program to ensure that it did not serve as a conduit for unconstitutional practices by local law enforcement agencies in jurisdictions covered by the program; publishing guidance for agencies that receive DHS funding on providing meaningful access to people with limited English proficiency; working with U.S. Immigration and Customs Enforcement on the reform of detention practices; and improving the Department's civil rights complaint process.

Jean Lacy: Jean Lacy is a museum education specialist and visual artist who works primarily in mixed media and collage from Washington, D.C. She is of African American heritage, and believes her family is descended from indentured Africans at Jamestown Colony.  Her work is inspired by creation myths and religious stories, the Civil Rights Movement, and African American culture.  From 1975-77 she held the position of Curator of Education and Exhibitions at the Museum of African-American Life and Culture in Dallas, Texas.  From 1977-88 she served as the Director of the African American Cultural Heritage Center of the Dallas Independent School District.

Manoa Heritage Center: The Mānoa Heritage Center is a non-profit organization founded by Sam and Mary Cooke in 1996.  It is intended to promote the thoughtful stewardship of Hawaii's natural and cultural heritage through preserving and interpreting historic sites.  The Center includes Kūka‘ō‘ō Heiau, a Native Hawaiian garden, and the 1911 Charles Montague Cooke Jr. home, known as Kūali‘i.  The Heritage Center is also dedicated to documenting the dynamic history of Mānoa Valley.

Engman Public Natatorium: The Engman Public Natatorium was a public swimming pool that operated in South Bend, Indiana between 1922 and 1978.  Sources describe it as being the largest indoor swimming pool in the state of Indiana when it first opened in 1922.  The pool has a history of racial exclusion, barring African Americans completely between 1922 and 1936, then segregating against them (by day) between 1936 and 1950.

Supporting paragraphs: Civil Rights Heritage Center Engman Public Natatorium
Answer: 1922