Before Radar: How Giant Acoustic Mirrors Detected Enemy Aircraft in WWI and WWII

The assassination of King Alexander of Yugoslavia marked a pivotal moment in the country's history. This article delves into the rise and reign of King Alexander, exploring his early life and ascension to the throne. It also examines the political and social climate in interwar Yugoslavia, setting the stage for the tensions and challenges that ultimately culminated in his tragic assassination. By understanding the context in which this event unfolded, we can better grasp the significance and impact it had on the nation and its future.

On November 22, 1971, DB Cooper hijacked a Boeing 727, drank a whisky, smoked a fag, and then jumped out of the plane with $200,000. He was never again seen.

1850 Dmitri Mendeleev walked almost a thousand miles to Moscow so he could apply for the University of Moscow. Although he was not accepted, he walked to St. Petersburg where he was accepted, And with that education, he developed the the periodic table of the elements

An Iranian man who was convicted of murder reportedly died from happiness after learning that his death sentence was being commuted.

In China, Lotus shoes were used to bind women's feet to keep their feet small

Philippines is the world’s largest supplier of nurses, supplying roughly 25% of all overseas nurses worldwide.

The ancient Egyptians used a pregnancy test that involved potentially pregnant women peeing on barley and wheat seeds. Plant growth indicated pregnancy: barley for a boy and wheat for a girl. Later tests revealed that pregnant women's urine causes plant growth 70% of the time, whereas non-pregnant women's urine does not.

In 1504, Christopher Columbus was stranded in Jamaica with natives who refused to give him food. But he knew the date and time of an upcoming lunar eclipse. So he told the natives that his gods were angry at their treatment of him, and would provide a clear sign. Once the eclipse started, the natives raced to give him food and begged for mercy.

These are the mugshots of Will West and William West, and they are not related. They were both sent to Leavenworth Prison at the same time, in 1903, and after some confusion, the staff understood they had two different prisoners with the nearly same name, who looked exactly alike. They are part of the reason fingerprints are now used as identification.

Irene Sendler was the Zegota resistance group's head of the children's department. She risked her life to smuggle children out of the Warsaw ghetto, place them with Polish families or orphanages, give each child a new identity, and keep records so that they could be returned to their families. In 1943, the Gestapo arrested and sentenced her to death, but she was rescued by Zegota.

Archaeologists were shocked to discover that a series of camels carved into desert rock faces in north-western Saudi Arabia are actually prehistoric, dating from 7,000-8,000 years ago - before either the Pyramids of Giza or Stonehenge were built.

To prevent tourists from stealing their beer glasses, some bars in Belgium require people to hand over one of their shoes as a deposit which is then put in a basket and hung from the ceiling. These shoe baskets have also become an attraction.

On April fool's Day, 1976, the BBC convinced many listeners that a special alignment of the planets would temporarily decrease gravity on Earth. Phone lines were flooded with callers who claimed they felt the effects.

At the 1912 Olympics, a marathon runner quit and went home to Japan without telling officials and was considered a missing person in Sweden for 50 years. In 1966, he was invited to complete the marathon. His time: 54 years, 8 months, 6 days, 5 hours, 32 minutes, and 20.379 seconds.

During WWII, a German pilot spotted an American pilot’s crippled plane in the sky. Tailing it, he noticed that gunner was dead, crew injured, and they posed no threat. Instead of destroying the plane, he led it to safety. 40 years later, the two pilots reunited.

During WWII, a German captain and an engineer flushed the submarine's high-tech toilet incorrectly, causing the vessel to rapidly fill with water. British planes patrolling the sea attacked them as the submarine was brought to the surface. While many members of the crew were killed in the attack, the captain escaped!

Nathan "Nearest" Green was an African-American head stiller who is now more frequently referred to as a master distiller. He was renowned for imparting his distilling knowledge to Jack Daniel, the creator of Jack Daniel's Tennessee whiskey distiller, after Jack Daniel was freed from slavery following the American Civil War.

An airplane crashed into the Empire State Building in 1945. Among other damage, plane parts severed the cables of an elevator and the woman inside fell over 70 stories. She lived and holds the world record for the longest survived elevator fall.

Thomas Baker instructed his team to leave him with a pistol and eight bullets propped up against a tree after he was injured. Later, American troops discovered the now-deceased Baker in the same location, lying next to eight dead Japanese soldiers and carrying an empty pistol.

The 18th century marked a turning point in the quest for women’s rights, as passionate voices challenged centuries of gender inequality and laid the groundwork for modern feminism. From pioneers like Mary Wollstonecraft to revolutionary declarations and early advocacy, this era sparked debates on education, political participation, and social justice that continue to resonate today. Journey through the origins of women’s rights movements and discover how their bold ideas shaped the fight for equality.

Hundreds of young women worked in clock factories during World War I, painting watch dials with luminous radium paint. The company lied about the risk of radiation, claiming there was no danger, which resulted in the death of the young women.

Penicillin was discovered by Alexander Fleming, but he never attempted to turn it into an antibiotic. It wasn't until ten years later that Howard Florey discovered Fleming's obscure paper and understood the mold's potential. Up to 200 million lives may have been saved as a result of Florey's work.

The roaring 1920s revolutionized fashion, introducing bold styles, daring cuts, and a spirit of freedom that still inspires today’s wardrobes. From flapper dresses to statement accessories, here’s how the Jazz Age lives on in modern fashion.

A baboon worked as a signalman for the railroad in the late 1800s. He never made a mistake and worked for the railroad until the day he died.

Icelandic women went on strike for equal rights on October 24, 1975. 90% of women walked out of their jobs and homes, effectively shutting down the entire country. The men were struggling to keep up. The following year, Parliament passed a law requiring equal pay. Iceland elected the world's first female President five years later. Iceland now has the highest gender equality rate in the world.