 Believing that more people would turn out for the march on a Sunday, and so as to mark the date of the start of the Stonewall uprising, the committee scheduled the date for the first march for Sunday, June 28, 1970.With Dick Leitsch's replacement as president of Mattachine NY by Michael Kotis in April, 1970, opposition to the march by Mattachine ended.By 1973, the original Gay Liberation Front disbanded .