Question: 尼日利亚何时成为联合国会员国
Answer: 1960-10-07; 07 10月 1960; 1960 october, 07; 10-07-1960; 10 07 1960; 1960 10月 07; 07/10/1960; 07-10-1960; 1960-10-07; 10/07/1960; 1960 10 07; 07 10 1960; 1960; 1960