The global population has crossed the eight billion milestone today and this landmark has resulted in people across the world focusing on demographic trends. The global population has crossed the ...

Disclosure: Our reviews are independent; we may earn a commission when you sign up – at no extra cost to you. Learn more... There are many different ways to calculate a country’s national debt. As ...

Nov. 17, 1873, saw the union of Buda, Pest and Óbuda, creating modern-day Budapest. The city is divided by the Danube River, with flat Pest to the east and the hilly Buda and Óbuda regions to ...