The forever problem of racism

Racism is nothing new but a perennial tension that exists as cycles of immigrants assimilate and they transition from foreigner to indigenous population. Yesterday's foreigner is today's native. Here's two examples: 

Evil May Day is the name of a riot which took place in 1517 as a protest against foreigners living in London.

The Gordon Riots of 1780 began as an anti-Catholic protest in London against the Papists Act of 1778, which intended to reduce official discrimination against British Catholics. The protest evolved into riots and looting.

The Basic Canon of Northern Irish life - Mistrust

Leon Uris in his book The Haj wrote of Arabs:

"So before I was nine I learned the basic canon of Arab life. It was me against my brother, me and my brother against my father, my family against my cousins and the clan, the clan giants the tribe, and the tribe against the world. And all of us against the infidel." 

As it was put elsewhere, little has changed since the seventh century, except for the weapons.When it comes to Northern Ireland we could put it like this:

"So before I was nine I learned the basic canon of (Northern Ireland) life. It was me against my brother, me and my brother against my father, my family against my cousins and the clan, the clan giants the tribe, and the tribe against the world. And all of us against the infidel."