May 27

His Holiness Baha’u’llah nearly fifty years ago warned the nations against the occurrence of this "Most Great Danger." Although the evils of war were evident and manifest to the sages and scholars, they are now made clear and plain to all the people. No sane person can at this time deny the fact that war is the most dreadful calamity in the world of humanity, that war destroys the divine foundation, that war is the cause of eternal death, that war is conducive to the destruction of populous, progressive cities, that war is the world consuming fire, and that war is the most ruinous catastrophe and the most deplorable adversity. 
- ‘Abdu’l-Baha  (From a Tablet; Star of the West, vol. 5, no. 16, December 31, 1914)