The Boston Marathon Bombing

D-Day 1944, The fall of the Berlin Wall 1989, The Boston Marathon bombing 2013, For better or for worse, these extraordinary events changed the world.Essential vents offers a behind the scenes look at crucial moments of world history Read about revolutions, natural disasters, discoveries, and conflicts that had lasting effects. Study their causes and historical contexts. Through eyewitness accounts, learn what happened in critical moments Delve in and discover how these Essential Events changed the world and how you live your life.