original: history vaihingen may date back as far as 799 a.d. , but the documents are not clear .
simplifications: vaihingen may date back as far as 799 a.d. , but the documents are not clear . history vaihingen may date as far back as 799 a.d. , but the documents are unclear . records are n't conclusive but history vaihingen may date to 799 a.d. history vaihingen may have been around as early as 799 a.d. , but the documents are confusing . history vaihingen may date back as far as 799 a.d. history vaihinges may be as old as 799 a.d , but the documents are not clear . historically , vaihingen may have been founded as far back as 799 a.d. , but the records are not clear . the history of vaihingen may date back as far as 799 a.d. , but the written records are not clear .