What is referred to by 'centennial'?

Based on the clue 'centenarian playwright known for the musicals the ...', what is the answer? Based on the clue 'centenary square in the center of this city is its...', what is the answer? Based on the clue 'centennial olympic park woodruff arts center', what is the answer? Based on the clue 'centennial park in this southern capital contains ...', what is the answer? Based on the clue 'center practice is done without the support of thi...', what is the answer? Based on the clue 'centered in nova scotia it was the name applied by...', what is the answer? What is associated with: centers on the 1996 olympic dream team included shaquille o neal this houston player? What is referred to by 'central africas short people'?