1922 USSR formed by Soviet states 1939 - 1945 World War II 1945 Atomic bomb detonated (Hiroshima) 1950 Korean War begins 1964 - 1973 Vietnam War | 1895 Marconi invents wireless telegraphy 1899 Boer War begins 1903 Wright brothers 1st plane flight 1912 Titanic sinks on maiden voyage 1914 - 1918 World War I | 1830 French Revolution 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal 1871 Franco - Prussian War |
William Clyde James Watts b. d. | ||||||||
Watts b. d. | ||||||||
George Watts b. d. | George Postans b.1830 d.1905 | |||||||
George Alexander Postans b.1863 d.1946 | Harriet Lewington b.1835 d.1927 | |||||||
Mary Maud Postans b.1886 Serpen, Western Australia d.1982 | Richard Tonkin b.1838 Upper , Western Australia d.1911 Serpen, Western Australia | |||||||
Maud Matilda Mary Tonkin b.1868 Dandal, Western Australia d.1950 Dwelli, Western Australia | Mary Spencer b.1840 Canni, Western Australia d.1892 Serpen, Western Australia | |||||||