The Argentine War of Independence was fought from 1810 to 1818 by Argentine patriotic forces
The Romanov dynasty was the last imperial dynasty to rule Russia.
I am pretty sure that it is archeologists, for historians track what happened through time, while archeologists look for clues of who built things, or when things were built.
Cyrus the Great
-defeated the Medes and became the first leader of the Persian Empire
-created the Immortals, a force of 10,000 highly skilled warriors to serve him
-expanded the Persian Empire by conquering surrounding lands
Darius 1
-divided the Persian Empire into 20 provinces (these were called satraps)
-tolerated religions and customs of conquered peoples
-established the capital called Persepolis