How Obelix Fell into the Magic Potion

The truth at last! The world had to know the answer to the mystery that has been keeping it on the edge of its seat for more than two thousand years.
We all know that Obelix fell into the cauldron of magic potion when he was a little be ('We'll never hear the last of it!' as he often says) but we've never known how. Well, the time has come... And, given his involvement in this dark affair, we have asked Asterix to tell you everything. So, fiat lux!