What was decided in Plessy v. Ferguson in 1896?

the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality basically the "separate but equal" but it wasent really equal

Explanation:

this might not help but here you go Plessy v. Ferguson, 163 U.S. 537 (1896), was a landmark decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality – a doctrine that came to be known as "separate but equal".

probably 3 since archeologists and historians don’t understand there writing.

in about winter like late november to january