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Who was the first son of a president to become president himself?

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This president fought in the Army, quit the Army, rejoined the Army, won a war and became a national hero. At 46, he became the youngest elected president in history. (Younger men later held the office.) He served two terms, lost his fortune and completed his memoirs just before his death. Who was he?

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Which president held informal radio conversations, known as fireside chats, to discuss policy proposals and current events with a national audience?

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Because the president is elected through the electoral college, a candidate can reach the White House without winning the popular vote — that is, they can win the election without winning more votes than the other candidates. This has happened four times in history, and to four of the five presidents below. Which of these presidents came into office having actually won the popular vote?

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George Washington was unopposed in his presidential campaigns, and twice won every vote in the electoral college. One other president came close to duplicating that feat, winning every electoral college vote but one during his reelection campaign. Who was he?

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Who was the first president to be born west of the Mississippi River?

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When one vice president resigned, this congressman took his place. Then, when the president himself resigned, this congressman-turned-VP took office, becoming the first and only president of the United States who was not elected as either president or vice president. Who was he?

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Which president had the shortest time in office, serving for 31 days before dying from what doctors said was pneumonia?

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Under this president, cows named Mooly Wooly and Pauline Wayne grazed on the White House lawn, providing the first family with a steady stream of milk and butter. Who was he?

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This president helped to popularize the term “okay,” which was used for the name of a political organization — the O.K. Club — that supported his unsuccessful reelection campaign in 1840. Who was he?