What is associated with: bjorn borg stefan edberg helped this country reach the davis cup finals 7 times in the 1980s?

What is associated with: bjarni herjolfsson sold his ship to this man who used it to explore vinland around 1000? Based on the clue 'bjarni herjulfsson may have been the first to sigh...', what is the answer? Based on the clue 'bjork the former lead singer of this icelandic gro...', what is the answer? What is referred to by 'bjork'? Based on the clue 'bjorn borg won his first wimbledon but this americ...', what is the answer? What is associated with: bjorn borg won wimbledon in 1980 this swedish man won it in 1990? Based on the clue 'bjorn daehlie of this country has won a record 12 ...', what is the answer? What is associated with: bjornstjerne bjornson won in 1903 this fellow norwegian who wrote the master builder never did?