Most of us are familiar with the second Sunday of May as a day to celebrate the mothers in our lives. But do you know the story of the woman behind this special day? Anna Jarvis, the "Mother of Mother's Day," was a fierce advocate for the power of maternal love and managed to turn a simple idea into an international celebration of moms everywhere. In honor of Mother’s Day, let’s take a closer look at how Anna Jarvis's determination and tenacity transformed a sentimental notion into a global phenomenon.