(CNN)Mother's Day is observed on the second Sunday in May in the United States. It is also celebrated in many other countries.
In 2014, 26.3 was the average age in the United States for first-time mothers.
1872 - Julia Ward Howe, who is a pacifist, suffragette, and writer of the "Battle Hymn of the Republic," first suggests Mother's Day in the United States. She suggests the day as a day mothers could rally for peace and for several years, she holds an annual Mother's Day meeting in Boston.