They both include knowledge about the nation and its history and artifacts for that nation. They are both established in the 1800s. Both Libraries are from distinctive countries but they are on the same continent. Both were established by their particular states in a plan to organize one place with the bulk of the country's data in it. As such, it's usually improbable to check out books at these libraries, because they contain expensive records of the nation's history.
Similarities: Both were founded in the 1800s (BNDM: 1833; LOC: 1800) Although both Libraries are from different countries, they are in the same continent.
