Last time we see brexit doesn't give affect for bitcoin.
So what kind of global issues that can make us excite for the price?
What type of global issue do you prefer to make us excited? negative one to make thrilling speculations and opportunity to buy more because btc will probably dump? or a positive issue that will also benefit us from increasing its price? regulation issues and restriction can make some impact on the issues of bitcoin given by the fact that people tend to panic from this situations
Positive global issues can make bitcoin more costly on the other hand, it will definitely increase its fees and affect transactions speed due to its expanding community, but if you are a loyal hodler you will definitely get the most benefit of it.