Although a number of things brought about ww1 there was one event that pushed europe over the edge what was it

assassination of Archduke Ferdinand

Archduke Ferdinand of Austria was assasinated by a terrorist named Gavrillo Princip, which is a citizens of Serbia. This create a massive tension between the two countries which lead up to both of them seeking alliances to strengthen their millitary and eventually ended up in the world war I.

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.