What is associated with: at 74 years of age this 1930s 40s movie companion of tarzan is the worlds oldest living chimp?

What is associated with: at 7242 feet harney peak is the highest point in these south dakota hills? What is referred to by 'at 73 sinhalese'? What is associated with: at 7310 feet mount kosciusko is the highest peak on this continent? What is associated with: at 7339 feet mount orohena on this island is the highest point in the society islands? Based on the clue 'at 75 to 100 pounds this largest south american ro...', what is the answer? What is associated with: at 752 am may 20 1927 this single engine monoplane took off from roosevelt field heading east? Based on the clue 'at 76 this center from china would be a big part o...', what is the answer? Based on the clue 'at 8 letters its the longest word hint its latin', what is the answer?