President John Quincy Adams was the sixth president of the United States of America. He served from 1825 to 1829, and his presidency is perhaps most notable for his efforts to promote art, science, and education in the country. Here are some interesting facts about this historical figure:

1. John Quincy Adams was the son of the second president of the United States, John Adams. He was born in 1767 in Braintree, Massachusetts.
2. Adams lived a very long life compared to most presidents. He died in 1848 at the age of 80. He was the longest-lived president in American history until Ronald Reagan surpassed his age record in 2001.
3. He was a well-educated man, fluent in multiple languages including French, German, Dutch, and Russian. Adams was also an accomplished writer, and authored several books throughout his lifetime.
4. John Quincy Adams was the first president to be elected by the House of Representatives. In the 1824 presidential election, none of the candidates received a majority of electoral votes, so the House of Representatives had to choose the winner.
5. He was an avid swimmer, and would often go skinny-dipping in the Potomac River during his presidency. He was known to be quite the physical fitness enthusiast, too. Daily, he would go for long walks, and sometimes even indulge in political debates along the way.
6. Adams was a vocal opponent of slavery and made many efforts to end the practice. He even went to the Supreme Court to argue for the freedom of slaves in the Amistad case.
7. After his presidency, Adams went on to serve in the U.S. House of Representatives for 17 years, making him the only president to serve in Congress after leaving office.
8. Adams also had a passion for science and education. He had a vision of creating a national university, which eventually became the Smithsonian Institute in Washington, D.C.

In conclusion, John Quincy Adams may not be the most talked-about president, but he was a fascinating and accomplished figure who made great contributions to the country. From being the first president to be elected by the House of Representatives to his efforts to end slavery and promote education, Adams left an indelible mark on American history.