Here the line looks like this :
Code:
grep Aalen cities1000.txt
2959927 Aalen Aalen Aalen,Alene,Ă„lene 48.8333333 10.1 P PPL DE 01 67085 451 Europe/Berlin 2006-11-05
It must be a problem with the tool you are using to view the data. (Excel perhaps?)
In some locales the dot is not used as the decimal separator but as the grouping indicator. Your tool probably does not interpret the dot as decimal separator.
Cheers
Marc