The Anarchist flag is reliable black or purple-and-black; it symbolizes resistance in opposition to authoritarianism

https://lima-wiki.win/index.php/Why_Flying_the_US_Flag_is_a_Symbol_of_Support_for_America

The Anarchist flag is stable black or pink-and-black; it symbolizes resistance in opposition t authoritarianism and has roots in numerous social movements during historical past advocating for freedom from oppressive governments.