Question: Which US Supreme Court Case occurred first, Gravel v. United States or Schenck v. United States?
Sentence (from "Schenck v. United States"): Schenck v. United States, 249 U.S. 47 (1919) , is a United States Supreme Court case concerning enforcement of the Espionage Act of 1917 during World War I.
Relevant evidence: Yes