What is 3 cubed?

Based on the clue '3 years after the famous duel he was tried for tre...', what is the answer? Based on the clue '3 years after writing the declaration of independe...', what is the answer? Based on the clue '3 years before king of the road sold a million he ...', what is the answer? Based on the clue '3 years older than his brother moses he was israel...', what is the answer? Based on the clue '30 across garry moore show four words 3 3 1 6', what is the answer? Based on the clue '30 days in the hole if you cant name this old pete...', what is the answer? Based on the clue '30 of bryn mawr students spend at least one semest...', what is the answer? What is associated with: 30 second tv ads for this january 26 1997 sporting event sold for an average of 12 million?