Question: når startet slaget om somme
Answer: 1916-07-01; 01-07-1916; 1916 july 01; 01 july 1916; 07/01/1916; 07-01-1916; 1916-07-01; 07 01 1916; 01 07 1916; 01/07/1916; 1916 july, 01; 1916 07 01