Wherio #13 — July 25th, 2026

Colombia’s new constitution was promulgated on July 7, 1991. It replaced the 1886 charter and introduced stronger rights protections, judicial review, and new democratic institutions.

Geography clue given: It is the world's leading source of emeralds.

Rwanda became independent from Belgium on July 1, 1962. Grégoire Kayibanda served as the republic’s first president.

Geography clue given: It is nicknamed the "land of a thousand hills."

The Swiss Army began issuing a folding pocketknife to soldiers in the 1890s so they could open canned food and disassemble their service rifles. The first model was made in Germany, but Swiss cutlers soon took over production, including Karl Elsener’s company, later known as Victorinox. Its blade, screwdriver, can opener and awl folded into a compact handle. American soldiers popularized the English name after World War II, and red civilian versions with many added tools became an international symbol of Swiss design and versatility.

Geography clue given: It has four national languages, including one called Romansh.

Prince Henry the Navigator, third son of King John I of Portugal, directed the systematic exploration of the West African coast and Atlantic islands that opened the Age of Discovery. From Portugal’s windswept south, he sponsored voyage after voyage using the newly developed caravel, pushing Portuguese seafaring past the feared Cape Bojador and laying foundations of a global empire. The famous ‘school of navigation’ he supposedly founded at Sagres may be more legend than institution, but his patronage of exploration was real enough to reshape the world’s maps.

Geography clue given: Its Atlantic islands include the Azores and Madeira.

Muhammad Ali and Joe Frazier met for the third and final time at the Araneta Coliseum outside Manila, in the fight billed as the Thrilla in Manila. In sweltering heat, the two rivals battered each other through fourteen savage rounds for the undisputed heavyweight championship before Frazier’s trainer Eddie Futch stopped the fight, his fighter nearly blind. Ali, who won the trilogy two bouts to one, said afterward it was the closest thing to dying he knew. It is widely ranked among the greatest and most brutal fights in boxing history.

Geography clue given: This Southeast Asian nation is made up of 7,641 islands.