Which empire lasted the shortest?

Related questions

1. What's bigger than an empire?
2. What is the difference between empire and emperor?
3. What do the three pyramids of Giza best represent?
4. Which is the first dynasty in the world?
5. What's the difference between a monarchy and a dynasty?
6. Was Cleopatra a pharaoh or queen?
7. Which dynasty built the pyramids?
8. What were dynasties in ancient China?
9. Who Ruled India after Mughals?
10. Was Egypt the first world power?

Tags

1. #roman
2. #britsh
3. #byzantine
4. #hunnic
5. #longest
6. #shortest
7. #empire