In Europe, for example, look at the major European countries under the holiday schedule for your reference.
Germany: 7, 8, September holiday.
France: the last week of July to August
Italy: August 1 to September 3
Poland: early July to the end of July
Netherlands: early July to early August
Belgium: mid-July to early August
Czech Republic: early July to the end of August (round off general, July 12 to August 8)
Norway: July to September holiday (generally July 14 to September 1)
Spain: July 7 to August 4
Portugal: July 14 to July 27
Switzerland: early July to the end of July