In the 1950s, scientists began transplanting cell nuclei into frog eggs in early experiments with what process?

Which archbishop was killed in Canterbury Cathedral on December 29, 1170? By the 1300s, knights were losing importance in warfare due to the growing use of which explosive? 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? Which Illinois city on the Mississippi did Mormon settlers build from swampland in the 1840s? By the end of 1862, which newly appointed rear admiral controlled the entire Gulf Coast except Mobile? By the end of 1999, the transfer of the Bundestag back to Berlin from which city was largely complete? Frederick the Great, who died in 1786, greatly enlarged which kingdom by seizing Silesia and part of Poland?