When was the Sydney Opera House built?
21611
1888
1888
1888
1887
1890
1888
1897
1889
1887
1896
1890
1883
1888
1897
1889
1887
1896
1886
1902
1891
1890
1883
1888
1893
1897
1889
1898
1887
1896
1880
1904
1886
1913
1903
1890
1888
1897
1889
1887
1896
1902
1883
1891
1927
1890s
1890
1888
1909
1893
1908
1897
1889
1898
1887
1880s
1880
1890s
1896
1904
1886
1884
1913
1903
1902
1890
1888
1887
1883
1860
1891
1927
1894
1909
1890
1888
1893
1908
1897
1895
1889
1898
1880
1887
1890s
1896
1904
1860
1886
1884
1913
1903
1902
1883
1888
1891
1894
1880s
1890s
1890
1860
1927
1882
1907
1909
1893
1908
1885
1888
1897
1895
1889
1898
1880
1887
1896
1904
1886
1879
1860
1890s
1892
1884
1913
1903
1902
1899
1883
1888
1881
1890
1860
1891
1927
1912
1894
1882
1880s
1909
1893
1860s
1888
1907
1890s
1908
1885
1897
1895
1889
1898
1880
1887
1896
1904
1886
1879
1892
1884
1913
1903
1902
1899
1883
1890s
1888
1881
1891
1927
1912
1894
1882
1914
1890
1907
1909
1893
1908
1885
1897
1895
1889
1877
1878
1880
1914
1898
1887
1896
1904
1886
1879
1892
1876
1884
1913
1914
1903
1902
1899
1905
1883