Name The Year: South Africa begins implementing apartheid; no mixed marriages?

Questions

landing on leyte in 1944, this general proclaimed 'i have returned'?

in 1755, this portuguese capital was devastated by a powerful earthquake?

under the leadership of nasser, this union of egypt and syria was proclaimed on feb 1, 1958?

after freeing it from france, toussaint l'ouverture became the first ruler of this island nation?

singer kathryn dawn?