Question: when was the arch built in st. louis
Answer: 1963-02-12; 1963 February, 12; 1963-02-12; 02 12 1963; 1963 02 12; 12/02/1963; 12 02 1963; 02/12/1963; 12-02-1963; 12 February 1963; 1963 February 12; 02-12-1963