Police received a single post-match call reporting a possible crime or suspicious behaviour, compared with an expected 20 on an average Sunday night in June.
''With everybody celebrating,'' Gaengler said, ''there's a bit more tolerance, a bit more acceptance.''
It was the same story - just a handful of minor arrests - in Nuremberg after England beat Trinidad and Tobago 2-0 on Thursday to advance to the second round.
And it was even quieter in Leipzig, a city of 500,000 where past hooliganism had raised concerns, as had several attacks on nonwhites in Germany's former communist east ahead of the tournament.
''The police deserve tremendous praise,'' Germany 2006 vice-president Wolfgang Niersbach said after the trouble in Dortmund, ''because they recognized the danger and took preventive action.''