In most countries Mother's Day is celebrated on the second Sunday in May, among them the USA, Canada, most European countries. Certainly, there are 10 countries where Mother's Day is celebrated:
Mother's Day is celebrated on the second Sunday in May in the United States. It's a day to honor and appreciate mothers and mother figures.
In Mexico, Mother's Day is celebrated on May 10th. It's a day for families to show their appreciation and love for their mothers.