Her Majesty The Queen v. Tom Dudley and Edwin Stephens

R v Dudley and Stephens (1884) 14 QBD 273 DC is a leading English criminal case that established a precedent throughout the common law world that necessity is not a defence to a charge of murder.

Richard Parker's Tombstone at Jesus Chapel, Peartree Green, Southampton

More on Wikipedia: R v Dudley and Stephens

This is a 19th-century British law case that is famous and much debated in law schools.