Did you know the oldest country in the world is San Marino ? (The title of the "oldest country in the world" is often debated, with different criteria leading to various answers. However, San Marino, which was established in 301 AD and has maintained its sovereignty and independence since then, making it the oldest continuously existing republic. )

Did you know the youngest country in the world is South Sudan, which gained independence on July 9, 2011, following decades of civil war ?

Did you know sauerkraut, despite its strong association with German cuisine, actually originated in ancient China ?(It was a method of preserving cabbage, likely developed during the construction of the Great Wall around 220 BC, according to the Food Bank of the Southern Tier. The Chinese workers used rice wine to ferment the cabbage, creating a food that was both nutritious and long-lasting.)

Did you know that when 7-Up was first made it contained lithium ?(7 Up was created by Charles Leiper Grigg in 1929, originally under the name "Bib-Label Lithiated Lemon-Lime Soda". It was later renamed "7UP Lithiated Lemon Soda" and eventually shortened to 7 Up. The drink was initially formulated with lithium citrate, a mood-stabilizing drug, but this ingredient was removed from the formula after it was banned for use in soft drinks in 1948.)

Did you know the United States has 16 territories, distinct from the 50 states ? (These territories are areas administered by the U.S. but not part of any state or another nation. The current US territories fit into one of three categories. Guam, Northern Mariana Islands, Puerto Rico, and US Virgin Islands are unincorporated organized territories. American Samoa, Baker Island, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Wake Island, Midway Islands, Navassa Island, Serranilla Bank, Bajo Nuevo Bank are unincorporated unorganized territories. And Palmyra Atoll is an incorporated unorganized territory.)