It's true! It really depends on where you mother lives and/or what her nationality may be. In the US, Mother's day is celebrated on the Second Sunday in May (today). And if you lived in the other 126 countries that also celebrate Mother's day on the Second Sunday, well... Happy Mother's day to you too. But what if you lived in Norway? Well, then we are way off. In Norway they celebrate Mother's day on Second Sunday of February. How about our neighbor to the south, Mexico. Like...