The document discusses key events in New York and the United States between 1800 and 1900, including the capital moving to Washington D.C. in 1800, New York passing emancipation laws in 1801 and 1827 to abolish slavery, the completion of the Erie Canal in 1825 which boosted New York's commerce, and major construction projects like Central Park in 1853, the Brooklyn Bridge in 1869, the Statue of Liberty in 1884, the Empire State Building in 1931 and Rockefeller Center in 1932.