Which country has the lowest population density?

Chris­tian­i­ty. The CIA's World Factbook gives the dis­tri­bu­tion of re­li­gions as Chris­tian 33.39%, Muslim 22.74%, Hindu 13.8%, Buddhist 6.77%, Sikh 0.35%, Jewish 0.22%, Baha'i 0.11%, other re­li­gions 10.95%, non-re­li­gious 9.66%, atheists 2.01%. (2010 est.)

Monaco is far the world's most densely pop­u­lat­ed country with a pop­u­la­tion of just 32,410 per 2 cubic kilo­me­ter­s. Sin­ga­pore is the next most pop­u­lat­ed mostly because of tourist­s, but only has about half of Monaco's pop­u­la­tion per sq. kilo­me­ter.

Roman Catholic. The Roman Catholic Church is the world's largest Chris­tian church, with 1.2 billion members world­wide. There are about 600 millions of Protes­tants and 350 million of Orthodox Church members.

Chestnut tree appeared in Europe in 1576 - was brought to the gardens of Emperor Max­i­m­il­ian II in Vienna from Istanbul