2013 but when exactly?
When was Spine editor's first release date?
January 22, 2013.
That is exactly 100 years ago today, or at least that is how much it has aged me. 
Interesting question. I wonder why you ask... 
Now, do you remember the hour and minutes 
?
Created a quiz for community. You can guess what percentage will know the correct answer
https://www.youtube.com/@armanimationn/community