Father's Day, National Daughters Day and Grandparents' Day. Are there two National Sons Days? Yes, National Sons Day is also observed Sept. 28. Why are there two National Sons Days? It's unclear ...

a day to celebrate sons. Similar holidays celebrate other family members throughout the year, like Mother's and Father's Day, Daughter's Day and Grandparents' Day. When is National Daughter's Day?

Here's what you should know. National Sons Day is celebrated in the United States each year on March 4. It's unclear why there are two National Sons Days. Some blame social media for the double ...