1. The Richest Person in Human History - Mansa Musa
Mansa Musa, the king who ruled the Mali Empire in Africa during the 14th century, is regarded as the wealthiest person in human history. His fortune was so vast that it’s nearly impossible to measure precisely. He controlled territories abundant in natural resources, especially salt and gold.
History recognizes Mansa Musa as the wealthiest individual ever, with an estimated net worth of $400 billion (in today's value). This staggering amount far exceeds the combined fortunes of billionaires Bill Gates, Warren Buffett, and Amancio Ortega. Even though more than 700 years have passed, no one has yet matched Mansa Musa in terms of wealth and influence.
In the 14th century, the name of Mansa Musa and the Mali Empire spread throughout the Arab world and captured the attention of European mapmakers. In fact, in a 1375 map, Mansa Musa was depicted at the heart of West Africa, sitting on a throne holding a gold bar, symbolizing his immense wealth.


2. Iran Has the World's Least Valuable Currency
Currently, the Iranian rial is the least valuable currency in the world. This situation is a result of the international sanctions imposed on Iran's nuclear program. The exchange rate stands at 1 USD = 30,275.51 IRR. Therefore, a simple breakfast in Iran could cost millions of units of their currency =))


3. William James Sidis Had the Highest IQ Ever Recorded
William James Sidis, born in 1898, entered Harvard University at the age of 11 to study mathematics, making him the youngest person ever to enroll at the prestigious institution at that time.
After completing his studies, he began teaching, but his older students struggled to accept being taught by someone they saw as a mere boy.
In fact, due to his "fast learning" abilities, Sidis became socially isolated, with even his friends distancing themselves from him.
His later life was marred by legal troubles after he became involved in socialist movements, and his parents even sent him to a sanitarium in an attempt to change his political views.
After leaving the institution in 1921, the brilliant mind decided to abandon mathematics and academic circles, choosing instead to lead a relatively normal life. He passed away at the age of 46 due to a cerebral hemorrhage.


4. Vostok Station in Russia is the Coldest Place on Earth
Vostok Station, currently utilized by Russian, French, and American scientists, is located 1,253 kilometers from the South Pole and 1,260 kilometers from the nearest coastline. Situated 3,500 meters above sea level and atop a 3,700-meter-thick ice sheet, it faces extreme conditions.
The record-breaking lowest temperature ever recorded here was a staggering -89.2°C in 1983. This remains the coldest temperature ever measured on the planet since the station's establishment.
While winters at Vostok are brutally cold, even summers see temperatures not exceeding -21°C. Though the weather is consistently harsh year-round, there are always people working at the station: 13 in winter and 25 in summer.


5. Genghis Khan is the Most Successful Progenitor in Human History
Statistics show that up to 5% of the Asian population are believed to be descendants of Genghis Khan, which translates to tens of millions of people. His descendants are spread across many regions once under his rule.
In 2003, an international research team consisting of Mongolian, Pakistani, Uzbek, Chinese, and British scientists published a shocking study. It found that 8% of men living in areas once part of the Mongol Empire, roughly 16 million men or 0.5% of the world's male population, share the same Y chromosome traits and have a common ancestor dating back about 1,000 years, when the Mongol tribes were beginning to rise to power.


6. Quốc gia nhỏ nhất thế giới-vatican
Thành quốc Vatican có diện tích chỉ 0,44 km2, dân số khoảng 1.000 người, nằm trọn trong lòng thủ đô Rome của Italy, Vatican chính là quốc gia nhỏ nhất thế giới.
Được thành lập vào năm 1929, nơi đây có tòa thánh Vatican, quảng trường thánh Peter - 2 địa danh nổi tiếng mà những người theo Thiên chúa giáo luôn mong muốn được một lần ghé thăm. Vatican là quốc gia có nền kinh tế phi thương độc nhất vô nhị trên thế giới, chủ yếu do các khoản quyên góp của người Thiên chúa giáo La Mã trên khắp thế giới và thu nhập từ bán tem, ấn phẩm, đồ lưu niệm.


7. The Bible is the Best-Selling Book in World History
The Bible is perhaps the most influential book in human history. It has surpassed every other book in terms of the number of copies printed. Both the Jewish Bible and the Christian Bible have been translated more times and into more languages than any other book.
The Bible may be the most impactful book in human history. The number of Bible editions printed exceeds all others. Since 1815, it is estimated that over 5 billion copies of the Bible, in whole or in parts, have been distributed, making it the best-selling book of all time.
The Bible, in its entirety or in parts, has been translated into more than 2,100 languages spoken by 90% of the global population. With such an immense number of copies printed, the Bible also claims the highest number of readers. Assuming a conservative estimate of two readers per book, more than 6 billion people around the world have read the Bible.


8. The Longest Living Person in the World (Mrs. Nguyễn Thị Trù, 123 Years Old)
Nguyễn Thị Trù (May 4, 1893 – July 12, 2016), from Da Phuoc village, Binh Chanh District, Ho Chi Minh City, Vietnam, was a Vietnamese woman who held the record as the oldest person in Vietnam and the oldest living woman in the world according to the World Record Association. She was officially recognized by the Vietnam Record Association in 2011.
According to family accounts and documents provided by the Vietnamese government, Mrs. Trù was born on May 4, 1893, into a farming family in Da Phuoc village, Binh Chanh District, Ho Chi Minh City (which was then part of Saigon - Gia Dinh). In her youth, she was a robust village girl who worked as hard as any man. During the resistance against the war, she also participated in digging tunnels and preparing food for the soldiers.
After the reunification of Vietnam on April 30, 1975, Mrs. Trù lived with her youngest son’s family until her death on July 12, 2016, at the age of 123 years and 69 days.


