This was caused by the Mt. Gox hack, which led to its crash. I didn't know Bitcoin then, but I have read about it a couple of times since I've been in Bitcoin.
This is a prime example of how Bitcoin is. It is very difficult for it to stay down forever. There will always be people who believe in it, and they don't believe in it simply because it's bitcoin, but because of what it offers. I can't tell you of any altcoin today that will crash from $17 to $0.1 and still come back up to beat its ATH, but Bitcoin did more than that in a worst-case scenario.
I don't know it is a biggest crash ever in Bitcoin market history but I don't care about it and with me there is no need of verification this information at all. What I noticed is over time, Bitcoin and its market have grown and become both bigger and stronger, that's enough for its future as well as for a Bitcoin enthusiast and investor like me.
I think you should. Not that it should discourage you from Bitcoin, but you would understand its history and know how far it has come. This would, in turn, strengthen your conviction of the coin.
From the video, you can hear whoever it is say, "Were the critics right?"
Things will happen where you would question whether Bitcoin is actually too big to fail. There is a small chance, but I won't be surprised if something happens that makes Bitcoin crash to $20k. At that point, your conviction would be tested, and if you don't fully understand its history, you might be shaken.