Incunabula are “books of the cradle days” of printing, or books printed in the 15th century. The known incunabula represent about 40,000 editions. The books include products of more than 1,000 presses, including such famous printers as Gutenberg, Caxton, and Aldus Manutius, and give evidence as to the development of typography in its formative period. These books were generally large quarto size, bound in calf over boards of wood, and decorated with borders. What are some famous incunabula? Discuss
Source: The Free Dictionary
Faith, n.: Belief without evidence in what is told by one who speaks without knowledge, of things without parallel. 
The city of Guantánamo is located in southeast Cuba. Founded in the early 19th century by French colonists from Haiti, it is well known today as the home of the US Guantánamo Bay Naval Base, which has installations covering roughly 45 sq mi (116 sq km). The site was leased to the US in 1903, but the Cuban government has refused since 1960 to accept the token annual rent of $5,000 from the US and has pressured for the surrender of the base. What was established at the base in 2002? 
Du Bois was an early African-American civil rights leader and scholar, as well as the first African American to receive a PhD from Harvard University. He was an outspoken critic of the social inequalities that existed in the US during the early part of the 20th century, and he helped found the National Association for the Advancement of Colored People (NAACP). What led Du Bois to seek Ghanaian citizenship at the age of 95? 
Widely considered one of the greatest naval engagements of all time, the Battle of Leyte Gulf was fought in the seas near the Philippines during World War II. The Japanese occupied the island of Leyte, which became the site of the first American landing in the campaign to recover the Philippines. Over three days in October 1944, American naval forces defeated almost the entire Japanese navy—thereby ensuring ultimate Allied victory. The battle saw the first use of what kind of aircraft tactic? 
A good principle not rightly understood may prove as hurtful as a bad. 
Baltimore’s Johns Hopkins University is named for philanthropist Johns Hopkins. Poorly educated and aware of Baltimore’s lack of medical facilities, Hopkins donated $7 million for the foundation of Johns Hopkins University and Hospital. The university was modeled after European universities and emphasized graduate research rather than collegiate instruction—two groundbreaking and successful decisions that influenced many other US universities. How did Hopkins get his unusual first name?