lgbtiqa+

In the Nazi concentration camps, the pink triangle begins to be used to point to homosexuals, so the people started to discriminate them.
From: https://encyclopedia.ushmm.org/content/es/article/concentration-camps-1933-39

The first march was started because of the discrimination of police against a group of LGBT people
From:
https://www.britannica.com/event/Stonewall-riots

As a result of the Stonewall unrest´s, as a result many people became awared of what was happening.
From: https://noticieros.televisa.com/especiales/el-origen-marcha-orgullo-lgbt/

Gilber Baker designed the firts LGBT flag, and it was seen honing in San Francisco at the Pride Festival.
From:
https://www.britannica.com/story/how-did-the-rainbow-flag-become-a-symbol-of-lgbt-pride

The OMS eliminated the homosexuality from the list of mental illness.
From:https://elpais.com/internacional/2018/06/18/actualidad/1529346704_000097.html

In Holland, it was the first country to approve homoparental adoption
From: https://www.google.com.mx/amp/s/www.absolutviajes.com/holanda-sociedad-pionera-en-la-adopcion-homoparental/amp/

It became the first country that make it legal at 2001rom:https://es.wikipedia.org/wiki/Matrimonio_entre_personas_del_mismo_sexo#Pa%C3%ADses_Bajos

The UN passed the resolution to combat violence and discrimination based on sexual orientation and gender identity
From:https://www.hrw.org/es/news/2014/09/26/onu-resolucion-historica-en-defensa-de-los-homosexuales

Ángela Ponce was the first shemale that won the contest Miss World Spain, so it helped people to accepted the LGBT´s groups.
From:
https://www.infobae.com/tendencias/lifestyle/2018/12/15/quien-es-angela-ponce-la-primera-mujer-transgenero-en-coronarse-como-miss-universo-espana/