The sinking of the Titanic in 1912, leaving over 1,500 people dead, remains one of the most tragic maritime disasters in history.
The Holocaust, where six million Jews were systematically murdered by the Nazis, stands as one of the darkest chapters in human history.
The atomic bombings of Hiroshima and Nagasaki in 1945 during World War II resulted in immense loss of life and long-lasting devastation.
The Rwandan Genocide in 1994 saw the brutal massacre of around 800,000 Tutsi people in just 100 days, shocking the world with its brutality.
The 9/11 terrorist attacks in 2001, where nearly 3,000 people lost their lives in a series of coordinated attacks on the United States, shook the world.
The Syrian Civil War, ongoing since 2011, has resulted in hundreds of thousands of deaths, widespread destruction, and a refugee crisis of epic proportions.