Simone de Beauvoir's 'The Second Sex' laid the foundation for second-wave feminism.

You are more likely to meet someone with your birthday than you expect.

Dressage — precision horse riding — scores horses and riders on over 30 individual movements in a freestyle routine.

The Portuguese word 'saudade' describes a nostalgic longing for something loved and lost — it has no direct English equivalent.

The fastest tennis serve ever recorded was by John Isner at 253 km/h (157.2 mph).

The Tour de France covers approximately 3,500 km over 21 stages and is widely considered the hardest endurance race in sport.

The richest 1% of people own more wealth than the rest of the world combined.

The oldest known musical instrument is a flute carved from a vulture bone, found in Germany and dated to 40,000 years ago.

The Japanese concept of 'Bushido' (way of the warrior) was largely codified in the early 20th century, not feudal Japan.