Julia Ward Howe Written by Elizabeth Raum A biography of the nineteenth-century peace and social justice activist who wrote the Mother’s Day Proclamation in 1870 calling for a “Mother’s Day for Peace,” which eventually led to the holiday known today as Mother’s Day. Ward is most famous for writing the poem that became "The Battle Hymn of the Republic" and is also known for her work against slavery and in support of a woman’s right to vote. [Grade Level: 2 - 4]