The April 1966 "Sip-In" at Julius, located a block northeast of the Stonewall Inn, established the right of gay people to be served in licensed premises in New York.

Newspaper articles on the wall indicate it was the favorite bar of Tennessee Williams, Truman Capote and Rudolf Nureyev.

Vintage photos of racing horses, boxers and actors are on the wall include drawings of burlesque girls as well as an image signed by Walter Winchell saying that he loves Julius.

[6] On April 21, 1966 members of the New York Chapter of the Mattachine Society staged a "Sip-In" at the bar which was to change the legal landscape.

[7] Dick Leitsch and Craig Rodwell, the society's president and vice president respectively, and another society activist, John Timmons, planned to draw attention to the practice by identifying themselves as homosexuals before ordering a drink in order to bring court scrutiny to the regulation.

[8] They then targeted a Howard Johnson's and a bar called Waikiki where they were served in spite of the note with a bartender saying later, "How do I know they're homosexual?

[9] The Mattachine Society then challenged the liquor rule in court and the courts ruled that gays had a right to peacefully assemble, which undercut the previous SLA contention that the presence of gay clientele automatically was grounds for charges of operating a "disorderly" premise.

The bar held a monthly dance party (2008-2024) called Mattachine co-founded and djed by John Cameron Mitchell, Amber Martin, P.J.