In the genealogy world, we use the term “brick wall” when we seem to go as far as we can in finding a particular ancestor or branch. I hope this isn’t too controversial a statement, but most of the brick walls we hit are ones that we inadvertently create.
The major genealogy databases are Ancestry, FamilySearch, MyHeritage and FindMyPast. All have international record sets and are overlapping, but all have some unique collections.
There are moments in history seared into collective memory. Twenty-five years ago, the world was tilted on its axis when terrorists hijacked multiple airliners, destroyed lower Manhattan and murdered 2,977 people. We have never fully recovered.