Which event began in earnest on "Black Thursday", October 24, 1929?

Akrotiri is a base area Britain kept under the agreements that made which Mediterranean island independent in 1960? Al and Peg's home at 9764 Jeopardy Lane, Chicago, featured in which sitcom? Al-Anon was co-founded in the 1950s by the wife of one of the founders of which group? The newspapers Al Bayane and La Gazette du Maroc are published in which country? Al Capone's gang was blamed for killing seven members of a rival gang on which holiday in 1929? Al Capone's nickname is also the title of crime films from 1932 and 1983. What is it? According to legend, what occupation did Al Capone list on his business card? Al Gore made his environmental views clear in his 1992 book "___ in the Balance"?