Ordinal indicator

http://en.wikipedia.org/wiki/Ordinal_indicator

Swedish: "Using a full stop as an ordinal indicator is considered archaic, but still occurs in military contexts. Example: "5. komp" (5th company)."

Croatian, Czech, Danish, Estonian, Faroese, German, Hungarian, Icelandic, Latvian, Norwegian, Polish, Slovak, Slovene, Serbian, Turkish: "A period or full stop is written after the numeral."