It is unclear when exactly the word ''hueco'' became synonymous with [[achillean]], however it's been present on the internet since at least 2014. [https://diccionariochileno.cl/term/hueco#:~:text=trolo-,Enviado%20por%20mad%20max%207%20years%20ago.,-votos%2016 <nowiki>[4]</nowiki>]
The flag was designed by FANDOM user IMakeFlags on August 20 of 2021 by request of Hiddn.haydn. [https://lgbta.fandom.com/wiki/Message_Wall:IMakeFlags#:~:text=Fleto-,Hueco,-Here%20are%20all <nowiki>[5]</nowiki>]