Free event took place on Copacabana Beach on Saturday
Marielle Franco and her driver killed on March 14, 2018
Marielle Franco was a bisexual woman of African descent
Glenn Greenwald announced husband's death on Tuesday
VoteLGBT organized Brasília gathering
Presidential election to take place in October
Polls indicate anti-LGBTQ+ Jair Bolsonaro trails main opponent
Mônica Benício elected to Rio de Janeiro Municipal Council in 2020
Mônica Benício honored murdered fiancée during campaign