During the battle of Marne, the Germans surprised the French troops by going through Belgium like a sickle.
This battle of the WWI happened in 1914 and everyone thought the war would be quick but it was not.
Because the Germans surprised the French, they had to retreat from Germany and they were scared but they stopped their retreat at the River Marne and the French beat out Germany.
In conclusion, the the Germans surprised the French troops by going through Belgium like a sickle.
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