Question: 比利时何时将刚果的自由州非殖民化
Answer: 1885-02-05; 05 02 1885; 1885-02-05; 02/05/1885; 05/02/1885; 05 2月 1885; 02-05-1885; 1885 02 05; 05-02-1885; 1885 february, 05; 02 05 1885; 1885 2月 05