The larger databases like Ancestry.com and FamilySearch are continually adding new material to their sites, so if you don’t go back and search them from time to time, you could miss out on a big find.
Case in point. I have been searching for my great-grandfather’s birth place in Germany for years. Recently, I went back to FamilySearch and searched my great grandfather’s name, John Graf, born in 1873 in Wurttemburg, a province of Germany.
And holey schmoley, look what the results yielded: