By the 1300s, knights were losing importance in warfare due to the growing use of which explosive?

In 1919, Ernest Rutherford discovered which particle, 22 years after the electron was found? Which Nobel Prize-winning author died at his home in Ketchum, Idaho, in July 1961? Which famous dancer died in 1927 when her long scarf became caught in the wheel of a car? Which archbishop was killed in Canterbury Cathedral on December 29, 1170? By the 1871 Treaty of Frankfurt, France gave Germany Alsace and part of which province, known for its quiche? By the 1920s, Cristobal Balenciaga was the leading couturier in which country, his homeland? In the 1950s, scientists began transplanting cell nuclei into frog eggs in early experiments with what process? Which Illinois city on the Mississippi did Mormon settlers build from swampland in the 1840s?