Navigate to the 'History of the Presidency' page on the Harvard University website. Once there, identify the earliest century for which presidential records are listed and state how many centuries of past presidents are included on this page.
Navigate to president.harvard.edu Locate and click the link or menu item that leads to the 'History of the Presidency' page. Once on the 'History of the Presidency' page, identify the earliest century for which presidential records are available. Count how many distinct centuries of past presidents are listed on the page. Synthesize the earliest century and the total number of centuries into a concise answer.
Successfully navigate to the 'History of the Presidency' page. State that the earliest century for which records are available is the 1600s. State that four centuries of past presidents are listed on the page.