Question: Martha Graham was an American modern dancer and choreographer, her style, reshaped American dance and is still taught worldwide, the Graham technique, is a modern dance movement style, and pedagogy created by the American dancer and choreographer Martha Graham, born on which date?
Context: Graham technique is a modern dance movement style and pedagogy created by American dancer and choreographer Martha Graham (1894–1991).  Graham technique has been called the "cornerstone" of American modern dance, and has been taught worldwide.  It is widely regarded as the first codified modern dance technique, and strongly influenced the later techniques of Merce Cunningham, Lester Horton, and Paul Taylor. Donald McKayle (born July 6, 1930 in New York City) is an American modern dancer, choreographer, teacher, director and writer best known for creating socially conscious concert works during the 1950s and '60s that focus on expressing the human condition and more specifically, the black experience in America.  He was, "Among the first black men to break the racial barrier by means of modern dance,".  His talents extend beyond the concert stage as McKayle has also performed and choreographed for Broadway musicals, theatre, television, and film.  He has worked with many choreographers such as Martha Graham, Alvin Ailey, Anna Sokolow, and Merce Cunningham.  A Tony Award and Emmy Award nominee, McKayle is currently a Professor of Dance, Modern Technique and Choreography, at UC Irvine, in the Claire Trevor School of the Arts Dance Department.  He has served on the faculties of Connecticut College, Sarah Lawrence College, and Bennington College. Martha Graham (May 11, 1894 – April 1, 1991) was an American modern dancer and choreographer.  Her style, the Graham technique, reshaped American dance and is still taught worldwide. Ailes Gilmour (January 27, 1912 - April 16, 1993) was a Japanese American dancer who was one of the young pioneers of the American Modern Dance movement of the 1930s.  She was one of the first members of Martha Graham's dance company.  Ailes' older brother was sculptor Isamu Noguchi. Ron Protas is the former Associate Director of the Martha Graham Center of Contemporary Dance and heir of modern dance choreographer Martha Graham. Peter Randazzo (born January 2, 1943, in Brooklyn) is an American dancer and choreographer known for his contributions to modern dance.  From 1962–1968 he was a principal dancer with the Martha Graham Dance Company.  In 1968 he co-founded the Toronto Dance Theatre (TDT) and its associated school, The School of Toronto Dance Theatre, with fellow Martha Graham disciples Patricia Beatty and David Earle.  A prolific choreographer, the TDT has featured his works in performances internationally for more than 40 years. Eleanor Campbell King (1906–1991) was an American modern dancer, choreographer, and educator.  She was a member of the original Humphrey-Weidman company, where she was a principal dancer in the pioneering modern dance movement in New York City, then moving on to choreography and founding her own dance company in Seattle, Washington.  She was a professor emerita at the University of Arkansas, where she taught from 1952 to 1971, before retiring to Santa Fe, New Mexico to start a new course of study into classical Japanese and Korean dance.  She choreographed over 120 dance works, and wrote extensively for a variety of dance publications.  In 1948, she was named Woman of the Year in Seattle, and in 1986 was listed as a "Santa Fe Living Treasure", also receiving the New Mexico Governor's Artist Award.  In 2000, her archive was recognized by the White House Millennium Council's "Save America's Treasures" program. Lila York (born 29 November 1948) is an American dancer and choreographer based in New York City.  She studied English Literature at Skidmore College before studying ballet and modern dance at the Martha Graham Center of Contemporary Dance and with Paul Sanasardo.  York joined the Paul Taylor Dance Company in 1973 where she danced for more than a decade.  After leaving the company, she left the "very heart of American modern dance" to become one of "ballet's most sought-after choreographers", working with many of the world's foremost ballet companies. Vision of the Apocalypse was a modern dance created by Martha Graham to music by Hermann Reutter.  It premiered on April 14, 1929, at the Booth Theatre in New York City.  The occasion marked the debut of Martha Graham and Group, Graham's new concert ensemble and the predecessor to the Martha Graham Dance Company.  "Vision of the Apocalypse" was the first piece Graham choreographed for a large group. Stuart Hodes (born 1924) is an American dancer, choreographer, dance teacher, dance administrator and author.  He was Martha Graham’s partner, danced on Broadway, in TV, film, in recitals, and with his own troupe.  His choreography has appeared on the Boston Ballet, Dallas Ballet, Harkness Ballet, Joffrey Ballet, San Francisco Ballet and other troupes.  He taught at the Martha Graham School, Neighborhood Playhouse, NYC High School of Performing Arts, headed dance at NYU School of the Arts and Borough of Manhattan Community College.  He was Dance Associate for the NY State Council on the Arts, dance panelist for the National Endowment for the Arts, president of the National Association of Schools of Dance, and a member of the First American Dance Study Team to China in 1980, returning in 1992 to teach the Guangzhou modern dance troupe.
Answer: May 11, 1894