Ireland is one of the few countries in the world, and the only country in the EU, that does not have postal codes (with the exception of Dublin city).
McDonald’s Big Mac is used as an economic index to compare purchasing power between currencies and countries.
Graca Machel is the only woman to have been first lady of two separate countries: Mozambique and South Africa.
Holocaust denial is either implicitly or explicitly a crime in 17 countries, including Germany and Austria.
Passports issued by the UK, Sweden and Finland offer visa-free travel to more countries than any other passports.
It’s illegal in many countries to perform surgery on an octopus without anesthesia due to their intelligence.