How common is/was three-way racial segregation?

As you said, you confused achieving birthright
citizenship with achieving citizenship itself, which is completely different.

Most countries have procedures for naturalization and for those who do, none seem to have the requirement that require several generations of residency.

The Chinese Exclusion Act was repealed by the Magnuson Act in 1943 and eliminated legal discrimination against Chinese, but the Alien Land Law continued in force until 1952.

[quote=“Exapno_Mapcase, post:18, topic:1032030”]
I was thinking of attaining birthright citizenship, and conflated that with attaining citizenship itself.
[/quote]I wonder if this is coming from being accustomed to American law and, well, tradition? It’s been a topic recently in the U.S. (let’s not re-hash that in this thread). And I think I’ve read more than one thread about Americans contemplating leaving the U.S: and talking about having relatives some country or another and thinking that it might be a viable route.
Birthright citizenship comes from parentage (jus sanguinis) as compared to location (jus soli). With how American media saturates public awareness, there’s been quite a few paperless immigrants here (Sweden), who’ve tried to make the claim that since they had a baby while here, the baby was a citizen and so should get it too. Not so.

The ways to attain citizenship within the EU are
Having one parent (or both, obv.) with a citizenship or…
Qualifying, either by residing x number of years (the years may vary) or…
Buying a golden visa/passport.

And yet again - this has what relevance to legal segregation?

Typically, separate movie theatres, based in separate areas designated for each group, so no need. One exception that I know about is the rather magnificent, though somewhat dilapidated Art Deco “Bijou Theatre” which, when running as a movie theatre catered to the “white” suburb of Observatory (where I know live) and the “coloured” suburbs of Salt River and Woodstock.

That building has a feature seen in a few older theatres - it has a large gallery overlooking the floor. The floor seating was for “whites”, the gallery for “coloureds”. Each had separate toilet facilities.

I suspect the apartheid planning division did not fully consider the idea of placing one group of children, out on their Sunday matinee treat, within easy throwing distance of another group of children…

Chang and Eng Bunker (the original Siamese twins) eventually settled in the antebellum South and were basically accepted as white people despite being Thai Chinese, even to the extent of being naturalized as US citizens and marrying white women.