What is associated with: lo the world would go dark at midnight on jan 1 2000 due to this alphanumeric event loit did not come to pass?

Based on the clue 'ism exemplified by man with a guitar', what is the answer? Based on the clue 'its root root root for this type of dentist who sp...', what is the answer? What is referred to by 'jones hee haw star'? Based on the clue 'king crab also called japanese king crab', what is the answer? What is referred to by 'machree irish favorite'? What is referred to by 'makeover home edition'? Based on the clue 'now im running as im in the festival of san fermin...', what is the answer? Based on the clue 'of events in the womens heptathlon', what is the answer?