Transvestism and Transsexuality in Modern Society, the UK's first trans-rights conference, opened with an evening reception in Leeds.

Transvestism and Transsexualism in Modern Society, also known as The First National TV.TS Conference, was a conference held in Leeds, England, from 15 to 17 March 1974. It was the first such event to be organised by members of the community. With an educational remit, the conference sought to further understanding of issues faced by transvestites and trans women.

Leeds is a city in West Yorkshire, England. It is the largest settlement in Yorkshire and the administrative centre of the City of Leeds Metropolitan Borough, which is the second most populous district in the United Kingdom. It is built around the River Aire and is in the eastern foothills of the Pennines. The city was a small manorial borough in the 13th century and a market town in the 16th century. It expanded by becoming a major production and trading centre in the 17th and 18th centuries.