... I mean look at 9/11. A few thousand people died ...
8 thousand odd.
Millions of people died in the American civil war.
Riddler killed 6 million jews.
6,000,000 <--- much bigger
8,000
Number of Native Americans Killed after 1492, by both Americans and various European Nations: Not well documented, the number killed either directly or indirectly could number as many as 100,000,000
Total Deaths from WWII, including the Holocaust, Civilians, and Military persons:
77,401,600
WWII Civilian Deaths excluding Holocaust Casualties: 41,364,100
WWII Military Deaths: 25,037,500
The Holocaust, (Including both Jews and everyone else the national socialists didn't like): 11,000,000
The Holocaust, (Just Jewish people): 6,000,000
Civil War: 618,000
2003 Heat Wave in Europe: 35,000
9/11 Attacks: 3,000
Oklahoma City Bombings: 168
Hurricane Andrew: 65
1992 Los Angeles Riots: 53
Also, more people died in the Holocaust then by the total sum of all the deaths in the 10 deadliest disasters.