What began as a protest for gay rights following the Stonewall riots of 1969 in New York has grown to become a global celebration of LGBTQ culture. In the 50-odd years since the original protest, and what is now widely accepted to be the first Pride march - Christopher Street Liberation Day, 1970 - Pride events are now attended by millions each year, celebrating how far we've come, recognising where we have to go and highlighting important causes...