Why Sonora Louise Smart Dodd wanted to celebrate Father’s day?

Questions 14—16 are based on the following talk about Father’s day.
M: Who came up with the idea of Father’s Day?
W: Her name was Sonora Louise Smart Dodd and she lived in Spokane, Washington. Sonora was the oldest of six children raised by their father, William Jackson Smart, when their mother died during childbirth. Sonora honored and revered her father, and while listening to a Mother’s Day sermon, in 1899, she determined there should also be a day to honor fathers.
M: Why June?
W: In 1910 Sonora chose June 19th, as the day to celebrate Father’s Day because that was her father’s birthday.’ With support from the Spokane Ministerial Association and the YMCA, the first Father’s Day was celebrated in Spokane on June 19,1910.
M: When did the United States begin celebrating Father’s Day?
W: In 1910 Spokane, Washington celebrates Father’s Day. In 1924 President Calvin Coolidge proclaimed the third Sunday in June as Father’s Day. In 1926 National Father’s Day Committee was formed in New York City. Then in 1956 Father’s Day was recognized by Joint Resolution of Congress. In 1966 President Lyndon B. Johnson signed a presidential proclamation declaring that the third Sunday of June as Father’s Day. In 1972 President Richard Nixon established a permanent national observance of Father’s Day to be held on the third Sunday in June.
M: Do other countries celebrate Father’s Day?
W: Father’s Day is celebrated in every part of the world. In the United States, Canada and most countries in Asia, Father’s Day is celebrated on the third Sunday in June. Apart from flowers, on the third Sunday in June each year, all the fathers are still given presents, treated to dinner or otherwise made to feel special.
M: What flowers are given to fathers as a gift?
W: In both early times and these days, wearing flowers was a common way of celebrating Father’s Day. Mrs. Dodd favored the red rose to honor a father still living, while a white flower honored a deceased dad.