. >> my name is heidi campbell chauffe. i am the director and chief curator of the museum. heidi campbell shaof. i am the director and chief curator of the museum. the first section is the early 19th century. the second section talks the 19th century through the 1850's and what happens in that. . yo period. and the last section takes us through the 1890's and that connects us back to the american revolution. the discussion of the 19th century and the american revolution wouldn't be complete without talking about lafayette's visit. the marquis lafayette was 19 years old when he came to america to fight in the revolution. aristocrat and when i talk to students about this and i say he was 19 -- we think about 19-year-olds today -- what were you like when you were 19? were you going to fight in revolution across the sea? probably not. he was an interesting individual. his support and influence with thefrench government helps revolution's cause. back, he was invited back by president monroe for the purpose of remembering the revolution, munro saw that people were starting to die