After the 1930s, what replaced coal tar as the major source of aromatic compounds such as benzene?

Although he had never served in the army, which Iraqi leader, a key figure in the Baath Party's 1968 takeover, gave him… Who took the presidential oath in Buffalo, New York, in 1901? After testing, which technology began replacing the rotary dial on U.S. phones in November 1963? After the 1881 gunfight at the O.K. Corral, Virgil Earp lost his job as marshal of which town? After the 1940 Nazi invasion of which country did Vidkun Quisling take power there? After the 1960 season, the Washington Senators left the capital and became which new team? After the 1968 New Hampshire primary, which Democrat entered the presidential race, only to be assassinated three month… After the Labour Party's 1979 election defeat, who succeeded James Callaghan as British prime minister?