You haven't done your homework. There are currently at least 52 nations with official religions. Seven, including Argentina, are Catholic. Another nine, including Poland, grant constitutional privileges to Catholics. Two, including Greece, are Eastern Orthodox. Three, including Denmark, are Lutheran. Twenty-five are Muslim. Two are Buddhist. And several others have nation-specific religions, like the Church of England, where senior Bishops and Archbishops are automatically seated in the House of Lords. Now consider the United States which officially forbids state establishment of religion. When is the last time the government and the schools were in session during the during the Christian holidays? How about on Yom Kippur?
Syrian rebels threaten to shell government forces if prisoners' demands not met (Reuters)
from the article: Israel’s nation-state talk means the return of the yellow star