Today is Friday, July 23, 2021 Today in World War I History 1914 - In Belgrade, Baron Giesl von Gieslingen, ambassador of the Austro-Hungarian Empire to Serbia, delivered an ultimatum to the Serbian foreign ministry. World War I Quote "Armed neutrality is ineffectual enough at best." - President Woodrow Wilson, April 2, 1917 Like this topic here! Tomorrow in World War I History.