383K views · 1.7K reactions | Humans have been inventing weapons since the first caveman picked up a club. But it wasn’t until the 19th century that the first weapons of mass destruction became possible. And the scientific advancements of the 20th century brought with them weapons so powerful they had to be banned. What were their inventors thinking? Luckily, we don’t have to guess; it’s all on record. | Sunday Roast | Facebook