6.5K views · 38 reactions | During World War II, fuel shortages forced cars to run on wood gasifiers. By burning wood in a low-oxygen chamber, engines could run on the produced gas. Sweden had over 70,000 wood-fueled cars, and even buses carried huge smokestacks on their backs. They were slow, dirty, and smelled like campfires, but they kept economies moving when gasoline was gone. Desperate times built strange cars, and wood became fuel. | Auto Viral | Facebook

155K views · 1.8K reactions | Sweden is one of the only countries in the world that has managed to remain war-proof until now. For over 200 years, Sweden has been neutral in all conflicts. This included both world wars and during the Cold War. But how did Sweden manage to stay neutral for so long? And what caused it to give up its neutrality and join the one organization that could bring war to its doorstep? | The Infographics Show | Facebook

82K views · 2.6K reactions | During World War II, teenage British girls at Bletchley Park played a key role in defeating Nazi Germany by decoding German communications with the Enigma machine. Their efforts, often hidden from their own families, shortened the war by two years and saved countless lives, especially by tracking German U-boats. | History Exposed | Facebook