Harry Potter and the Butterfly Effect

In an AU, where Harry Potter was born three years earlier, Neville Longbottom became the Boy Who Lived. When the war ended, although destiny had favoured some, such as the Potters, it had been cruel to most of the Wizarding World, leaving greater marks for the future generation. Still, even in the darkest of times, happiness can be found, if one only remembers to turn on the light.