Okay, these are the dates I got at the IMDB:

Belgium 23 May 2007
Denmark 23 May 2007
Egypt 23 May 2007
Finland 23 May 2007
France 23 May 2007
Netherlands 23 May 2007
South Korea 23 May 2007
Sweden 23 May 2007
Argentina 24 May 2007
Australia 24 May 2007
Austria 24 May 2007
Germany 24 May 2007
Hong Kong 24 May 2007
Italy 24 May 2007
Latvia 24 May 2007
Malaysia 24 May 2007
Russia 24 May 2007
Singapore 24 May 2007
Slovenia 24 May 2007
UK 24 May 2007
United Arab Emirates 24 May 2007
Brazil 25 May 2007
Bulgaria 25 May 2007
Iceland 25 May 2007
Israel 25 May 2007
Japan 25 May 2007
Norway 25 May 2007
Poland 25 May 2007
Spain 25 May 2007
Turkey 25 May 2007
USA 25 May 2007
Venezuela 25 May 2007

So, seems like we 're ahead! XD But Belgium is even more ahead! ;)