Austria does not usually allow dual citizenship but they made a special exception for Arnold Schwarzenegger in 1983 when he became U.S. citizen.
Memory of Mankind is a sophisticated time capsule project in Austria designed to last a million years. The designers made a system for the capsule to be discovered by a future society and even planned for the possibility of it being discovered by alien life.
The Austrian town of Salzberg initally refused Nazi flags to be hung off buildings for the filming of The Sound of Music. When the director threatened to use real archival footage of the city enthusiastically greeting Hitler, they quickly changed their mind and allowed it.
There is a remote, Alpine village in Austria with a population of just over 1,000 which has its own underground/metro line. It’s just 1.3 km long, has 4 stations and connects a parking lot with some ski lifts located at the opposite ends of the village.
Any U.S citizen travelling in Austria who find themselves in distress can enter any McDonald’s in the country and the staff will assist them in making contact with the U.S. Embassy for consular services.
The two sons of Archduke Franz Ferdinand were sent to Dachau and made to clean toilets for objecting to Hitler’s annexation of Austria.
In 1788, the Austrian army accidentally attacked itself and lost 10,000 men.