an Entity references as follows:
The British Darts Organisation (BDO) was a darts organisation founded on 7 January 1973 by Olly Croft. Made up of 66 member counties, it oversaw professional, semi-professional and amateur darts competitions in Britain. The BDO was a founder member of the World Darts Federation in 1976. It also staged a World Professional Darts Championship from 1978 to 2020.