Mother’s Day is a day set aside to (11) mothers. It is observed in the US on the second Sunday in May. The (12) for the day is generally thought to be put forward by Anna M. Jarves, whose mother died on May 9, 1905. In the years that (13) she held services and encouraged other sons and daughters to remember their mothers in a similar way. She (14) thousands of letters to great persons, and in 1913 both her home state of Pennsylvania and the US Congress agreed to the idea of a (15) day to honor mothers.