This is Bitcoin chart between 2011 and 2018. As you can see that It went up tremendously, but I want to know about Bitcoin history and to see about price fluctuations from past to present.
Jun, 2011
In June 2011 the Mt. Gox exchange was hacked, It made the announcement after the price of Bitcoins dropped from $17 to near Zero in a matter of minutes.
Mar, 2012
Paxum ceased accepting the currency, and Bitcoin were stolen in the Linode hacking, so the Bitcoin price had fallend from $7 to 4 (-36%).
April, 2013
the currency crashed $60 to just $122 by DDos attack (-45%).
Feb, 2014
Mt. Gox, abruptly stopped trading, so Bitcoin to drop by around $57 to $550.
November 2015: Unicode
Despite a slight increase in price, it then fell by $50 to $334 as its sign was accepted into Unicode on Nov. 3, 2015.
Sep, 2017
China’s government is starting an all-out war against bitcoin and other digital currencies by banning fundraising through initial coin offerings and shutting down all mainland digital currency exchanges.
Jan, 2018
Korea considers shutting down domestic cryptocurrency exchanges.($19,783 ->$9,496) (-48%)
Jan, 2018
Coincheck exchange in Japan 58 billion yen worth of NEM coins lost in an attack, but it would return about 46.3 billion yen ($425 million) of the virtual money to roughly 260,000 owners of NEM coins in Japanese yen. its impact is unlikely to be as significant given the sheer number of cryptocurrencies in the market
[Source]
https://cointelegraph.com/news/top-13-major-bitcoin-price-crashes-endurance-of-an-idea