When was Niagara Falls built?
1679
1885
1885
1885
1886
1805
1858
1885
1807
1886
1805
1858
1883
1804
1885
1807
1886
1805
1859
1858
1883
1804
1855
1885
1807
1886
1805
1894
1859
1858
1883
1804
1887
1855
1885
1807
1886
1805
1859
1889
1858
1883
1894
1804
1885
1807
1886
1805
1879
1887
1855
1858
1883
1804
1859
1889
1884
1885
1807
1886
1805
1858
1883
1894
1804
1879
1887
1885
1807
1886
1805
1859
1889
1855
1884
1858
1883
1885
1807
1886
1805
1894
1861
1804
1879
1887
1858
1878
1859
1851
1821
1855
1885
1886
1805
1883
1889
1884
1858
1807
1894
1861
1887
1885
1886
1805
1804
1879
1878
1859
1851
1855
1827
1889
1821
1884
1885
1858
1857
1807
1805
1883
1875
1886
1894
1861
1804
1879
1878
1851
1887
1855
1885
1859
1889
1821
1884
1827
1858
1807
1805
1883
1885
1857
1886
1894
1861
1875
1804
1895
1879
1887
1824
1878
1859
1851
1881
1854
1893
1855
1827
1885
1889
1821
1884
1858
1857
1807
1805
1883
1875
1885
1886
1894
1861
1874
1804
1895
1879
1856
1887
1824
1878
1859
1851
1881
1854
1893
1855
1827
1885
1889
1821
1884
1885.
1858
1857
1807
1886
1805
1883