Lor San Tekka was an individual who lived on the Western Reaches planet of Jakku approximately 29 years after the Battle of Jakku. San Tekka was a follower of The Church of the Force, an underground faith of loosely affiliated worshipers of the Jedi ideals.
And presumably the crashed Imperial Star Destroyer that Rey spelunks at the beginning of The Force Awakens crashed during that battle.
But Wookieepedia is not a reference without backup links. What's the origin of this statement and what other types of information are out there?