2019 marks 200th anniversary of birth of ‘Battle Hymn’ writer By Joanne Sloan Glory! Glory! Hallelujah! / Glory! Glory! Hallelujah! / Glory! Glory! Hallelujah! / His truth is marching on.” Julia Ward Howe (1819–1910) — writer, abolitionist and suffragist — wrote the patriotic classic “Battle Hymn of the Republic.” This year marks the 200th anniversary of her birth. Hymn legacy…