Their language isn't related to a single one of their neighbours', which is a properly impressive level of stubbornness.
Fun fact: Ernő Rubik took a full month to solve his own Rubik's Cube after inventing it in 1974.
Doubly landlocked, meaning you'd need to cross two whole countries before you even see the sea.
Fun fact: The Aral Sea in Uzbekistan was once the world's fourth-largest lake but has lost 90% of its water.