History is fascinating, don't you think? Me, writing that previous sentence is already history. You, reading an online article in 2016 is part of a greater narrative. Even our existence on this planet is a fraction of a story that's being told since The Big Bang. If you don't think that's cool, then kindly GTFO, mate.
We, Millennials, are lucky enough to live in a time of great technological and pop cultural expansion. Which means we've probably lived through numerous firsts in history without even realising it. Like the very first tweet. Or the first YouTube video.