What is associated with: 5000 a4 a8?

Based on the clue '50 years after a famous incident this city got a n...', what is the answer? Based on the clue '50 years after buying alaska from russia the us bo...', what is the answer? Based on the clue '50 years after this shawnee helped the british sub...', what is the answer? Based on the clue '500 million year old fish are the first known foss...', what is the answer? What is associated with: 5000 photos of this complex home of the crown jewels were taken for the video game traitors ga… What is associated with: 5000 year old remnants of this snack have been found in a cave in the southwest? What is associated with: 50000? What is associated with: 50010 is found in the heartland ames in this state?