Question: wanneer was de eerste wereldoorlog
Answer: 1914-07-28; 28 07 1914; 1914-07-28; 28-07-1914; 28 hooimaand 1914; 1914 hooimaand 28; 07 28 1914; 07/28/1914; 1914 07 28; 1914 july, 28; 07-28-1914; 28/07/1914