While being interrogated in his introduction sequence, he casually folds an aluminum chewing gum wrapper, puts it to his lips and kinda whistles with it for a second, while holding a cell phone in front of his mouth. After this little public display of phreaking, he hands the cell phone over to the hero and says “Here… now you can call anywhere free for life with it”.
One of the key events that gave the United States the politically-charged push into the war was the sinking of the Lusitania, and it was done by a German u-boat.
Here’s another weird one you didn’t expect: Germans used zeppelins to bomb London.