A、1910. B、1909 C、1966 D、1972 D题目询问“父亲节”什么时候被确立为永久性的国家节日。关键听到“1972年，尼克松总统将父亲节设立为永久的国家节日”，可以得出选项 D(1972)为答案。

Father’s Day was first observed in Spokane, Washington, in 1910. [32] Mrs. Dodd first proposed the idea of a "father’s day" in 1906. Mrs. Dodd wanted a special day to honor her father, William Smart, who was widowed when his wife died in childbirth after their sixth child was born. Mr. Smart was left to raise the newborn and his other five children by himself. Mrs. Dodd wanted Father’s Day to be celebrated on the first Sunday in June, her father’s birthday. But it wasn’t until 1966 that President Lyndon Johnson signed a presidential proclamation, declaring the 3rd Sunday of June as Father’s Day. [33] In 1972, President Richard Nixon established a permanent national ceremony of  [34] Father’s Day to be held on the third Sunday of June, coming almost sixty years after Mother’s Day had been proclaimed a national holiday. Today, Father’s Day has become a day to [35] not only honor your father, but all men who act as a father-like figure, such as stepfathers, uncles, grandfathers, and adult males.