https://music.youtube.com/watch?v=JkFIONn0J_c&feature=shared

1209 – Massacre at Béziers during the Albigensian Crusade

1492 – Expulsion of Jews from Spain

1619 – First enslaved Africans arrive in Virginia

1757 – Black Hole of Calcutta tragedy

1830s – Trail of Tears (forced relocation of Native Americans)

1864 – Sand Creek Massacre (Colorado)

1915 – Armenian Genocide begins

1937 – Nanjing Massacre (Rape of Nanjing)

1941 – Babi Yar Massacre (Kyiv, Ukraine)

1942 – Wannsee Conference (Holocaust planning)

1945 – Atomic bombings of Hiroshima and Nagasaki

1971 – Bangladesh genocide (Operation Searchlight)

1975 – Khmer Rouge regime begins in Cambodia

1994 – Rwandan Genocide

1995 – Srebrenica Massacre (Bosnia)

2003 – Darfur Genocide begins

2007 – Post-election violence in Kenya

2014 – ISIS genocide of Yazidis

2022 – Bucha massacre (Ukraine)

Ongoing – Rohingya persecution in Myanmar

Ongoing – Genocide of Palestinians