Question: 词语  under god是何时被加入效忠誓词的
Answer: 1954-06-14; 14 06 1954; 06/14/1954; 14 六月 1954; 1954 06 14; 14/06/1954; 1954 june, 14; 1954-06-14; 14-06-1954; 06 14 1954; 1954 六月 14; 06-14-1954; 1954; 1954