Explainer-What Is US Birthright Citizenship and Can Trump End It?
The main birthright citizenship case is from 1898, when the Supreme Court ruled that the son of lawful immigrants from China was a U.S. citizen by virtue of his birth in 1873 in San Francisco. The man, Wong Kim Ark, had been denied re-entry to the United States after a visit to China at a time when immigration from China was severely restricted.