Luxembourg: Easter Sunday is the most important date in the Christian church. In the bible, it is the day when Mary Magdalene found that an empty tomb in the cave in which Jesus had been placed.
Luxembourg: Celebrates the anniversary of the Schuman Declaration in 1950, when the first step was made towards the creation of what is now known as the European Union
Luxembourg: This day observes the departure of Jesus from earth after his resurrection. It is perhaps the earliest observed celebration in Christianity.
Luxembourg: December 26th is the Feast of St. Stephen in Western Christianity. It is observed as a second day of Christmas holidays in several countries.
Notes
If the date of a holiday falls on a Sunday or a day that would not normally have been a working day for the employee, then a day in lieu must be offered within three months.