International Holiday Calendar - Holidays and School Vacation
Internationaler Ferien und Feiertage KalenderCalendrier International pour des Vacances et FetesCalendario Internacional de las Vacaciones y Días Festivos

Smartphone Apps

Holidays and Vacations for iPhone, iPod, iPad, Android
Holidays and Vacations for iPhone Holidays and Vacations for iPad Holidays and Vacations for Android Holidays and Vacations for Windows Phone Holidays and Vacations for BlackBerry