What was the biggest historical blunder of the 20th century?

The assassination of Archduke Franz Ferdinand, anything that lead to WW1

The foundation of Judaism by Abraham

Israel was a mistake.

>>394233
Fomenkoism has gotten out of hand.

The decentralisation of power in Egypt.

The partition of the Ottoman Empire has been an intractable mess ever since.

1913 Federal Reserve Act

It likely led to everything else posted in this thread

>>394226
This, and Germany sending revolutionaries to Russia during WW1

>>394239
>implying I'm wrong

Great Britain allying with France during WW1. Easily.

>>394267
>muh zeitgeist

1998 Godzilla

>>394221
communism

>>394385
This

Anything Germany tried to do.
Seriously what the fuck.

>>394306
how was that a blunder? Britain get to keep it's precious european balance and all that shit at least for while

File: Battle_of_Sangarios_1921.png (2MB, 1100x837px) Image search: [Google]

2MB, 1100x837px

>>394221
Greco-Turkish War (1919-1922)
Even in Greek it's called Minor Asia Catastrophe (Μιkρασιάτιkη Καταστροφή)

>>394221
WWII Eastern Front

>>394221
when America and Britain chose to side with Judeobolshevism instead of helping their aryan brethren in Germany