Misc: In 1918 Ella ---------- , singer, born.?

Questions

The RAF Red.Arrows have used British Aerospace Hawks since 1980. Which aircraft did they use prior to this date?

In legend, who was the Roman goddess of war?

According to the Talmud, who was the first wife of Adam?

Whom did David Steel succeed as leader of the Liberal Party?

Impurities, particularly of which compound, according to modern chemists, gives amethyst its violet or blue colouration?