The following is a list of LGBT events. This mainly encompasses gay pride parades but can also include some sporting events and film festivals. LGBT events are organised to promote tolerance or to campaign for equal rights between all sexual orientations. The most common symbol used at such events is the six-color rainbow flag. They range from the world's largest gay pride parade in São Paulo with 3.5 million participants to the world's smallest gay pride parade with 100 participants in the city of Sligo, Ireland.