Here's an additional guide that may help you regain access (it covers more scenarios): https://goo.gl/q2Ijwz . Hope it helps!
Of course, this all stems from me forgetting what I changed my password to 9 months ago. 
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Of course, this all stems from me forgetting what I changed my password to 9 months ago. 