 | 1899 Boer War begins 1903 Wright brothers 1st plane flight 1912 Titanic sinks on maiden voyage 1914 - 1918 World War I 1922 USSR formed by Soviet states | 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal 1871 Franco - Prussian War 1895 Marconi invents wireless telegraphy | 1798 Irish revolt against English rule 1804 Napoleon becomes French Emperor 1805 Battle of Trafalgar, Nelson killed 1815 Battle of Waterloo, Napoleon defeat 1830 French Revolution |
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 | Aafje Perdijk b.1844 Sluipwijk, Netherlands d.1929 Reeuwijk, Netherlands |  | |  |  | Arij Perdijk b. d. | ||
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| Bastiaan Perdijk b.1846 Sluipwijk, Netherlands d.1847 Sluipwijk, Netherlands |  | | Kors Perdijk b.1797 Sluipwijk, Netherlands d.1866 Sluipwijk, Netherlands | | Ariaantje den Bleiker b. d. | ||
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| Maartje Perdijk b.1847 Sluipwijk, Netherlands d.1849 Sluipwijk, Netherlands |  | Arie Perdijk b.1823 Sluipwijk, Netherlands d.1875 Reeuwijk, Netherlands | | | Pieter Burger b. d. | ||
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 | Maartje Perdijk b.1850 Sluipwijk, Netherlands d.1946 Reeuwijk, Netherlands | |  | Aartje Burger b.1800 Sluipwijk, Netherlands d.1896 Reeuwijk, Netherlands | | Maria van Leeuwen b. d. | ||
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| Maria Perdijk b.1851 Sluipwijk, Netherlands d.1941 Reeuwijk, Netherlands | | | | | Cornelis Verweij b. d. | ||
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| Bastiaan Perdijk b.1854 Sluipwijk, Netherlands d.1936 Gouda, Netherlands | | | Bastiaan Verweij b.1792 Sluipwijk, Netherlands d.1869 Sluipwijk, Netherlands | | Pieternella Volbrecht b. d. | ||
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| Kors Perdijk b.1857 Sluipwijk, Netherlands d.1892 Gouda, Netherlands | | Pietertje Verweij b.1821 Sluipwijk, Netherlands d.1895 Reeuwijk, Netherlands | | | Hendrik Koster b. d. | ||
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| Hendrik Perdijk b.1859 Sluipwijk, Netherlands d.1859 Sluipwijk, Netherlands | | | Maartje Koster b.1799 Sluipwijk, Netherlands d.1881 Reeuwijk, Netherlands | | Jaapje Koster b. d. | ||
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| Pietertje Perdijk b.1860 Sluipwijk, Netherlands d.1862 Sluipwijk, Netherlands | |  | |||||
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| Pietertje Perdijk b.1862 Sluipwijk, Netherlands d.1863 Sluipwijk, Netherlands | | ||||||
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| Arie Perdijk b.1864 Sluipwijk, Netherlands d.1936 Gouda, Netherlands |  | ||||||