Quiz of the Day
Siblings & Family
Friday, 10 April 2026
National Siblings Day — famous siblings, birth order facts, sibling rivalries
1. Which famous brothers invented the first successful powered aeroplane?
- The Warner Brothers
- The Wright Brothers
- The Marx Brothers
- The Montgolfier Brothers
Orville and Wilbur Wright's first flight at Kitty Hawk on December 17, 1903 lasted just 12 seconds and covered 37 metres.
2. In birth order studies, firstborn children are most commonly associated with which trait?
- Risk-taking
- Rebelliousness
- Creativity
- Leadership
Research shows that 21 of the first 23 NASA astronauts were firstborn children, and firstborns are overrepresented among world leaders.
3. Which Williams sisters have won a combined 30+ Grand Slam singles titles in tennis?
- Mary-Kate & Ashley
- Beyoncé & Solange
- Venus & Serena
- Elle & Dakota
Venus and Serena Williams have faced each other in 9 Grand Slam finals — making them the most decorated sibling rivalry in tennis history.
4. How many Brontë sisters wrote published novels?
- 4
- 2
- 5
- 3
Charlotte, Emily, and Anne Brontë originally published under male pseudonyms — Currer, Ellis, and Acton Bell — because female authors were taken less seriously in the 1840s.
5. Which royal siblings are first and second in line to the British throne (as of 2026)?
- Prince George & Princess Charlotte
- King Charles & Princess Anne
- Prince William & Prince Harry
- Prince George & Prince Louis
Princess Charlotte made history as the first female royal not to be bumped down the line of succession by a younger brother, thanks to the 2013 Succession to the Crown Act.
6. Which famous brothers co-founded a film studio that bears their surname?
- The Wachowski Sisters
- The Warner Brothers
- The Lumière Brothers
- The Coen Brothers
Harry, Albert, Sam, and Jack Warner founded Warner Bros. in 1923. Their studio produced the first feature-length talkie film, 'The Jazz Singer', in 1927.
7. What is the most common number of siblings in a family worldwide?
- 3
- 1
- 2
- 4
The global average has dropped from about 5 children per family in 1960 to around 2.3 today — one of the most dramatic demographic shifts in human history.
8. Which famous musical siblings made up The Jackson 5?
- 3 brothers
- 5 brothers
- 4 brothers
- 6 brothers
Jackie, Tito, Jermaine, Marlon, and Michael Jackson formed the group. Michael was just 6 years old when the group started performing professionally.
9. In the TV show 'Friends', how are Ross and Monica related?
- Step-siblings
- Twins
- Cousins
- Brother and sister
The sibling dynamic between Ross and Monica was inspired by the show's creators, who wanted to explore how childhood rivalries continue into adulthood.
10. Which pair of brothers founded Adidas and Puma respectively?
- Adolf & Rudolf Dassler
- Otto & Max Dassler
- Hans & Fritz Dassler
- Karl & Werner Dassler
The Dassler brothers ran a shoe company together until a bitter falling-out during WWII. They split in 1948, and their rival factories sat on opposite sides of the river in Herzogenaurach, Germany.
11. What is the term for twins who develop from a single fertilised egg?
- Fraternal twins
- Identical twins
- Mirror twins
- Conjoined twins
Identical (monozygotic) twins share virtually 100% of their DNA, but they can still have different fingerprints because these are influenced by conditions in the womb.
12. Which ancient mythology features twin brothers who founded Rome?
- Egyptian
- Roman
- Greek
- Norse
According to legend, Romulus and Remus were raised by a she-wolf. Romulus killed Remus in a dispute and named the city Rome after himself.
13. Which Gallagher brothers famously feuded as members of the band Oasis?
- Keith & Mick
- John & Roger
- Noel & Liam
- Paul & Gary
Noel and Liam Gallagher's public feuds led to Oasis splitting in 2009. Their 2025 reunion tour became one of the fastest-selling concert events in UK history.
14. In the Bible, which sibling was sold into slavery by his brothers?
- Joseph
- Moses
- Abraham
- David
Joseph's brothers sold him for 20 pieces of silver to merchants headed for Egypt, where he eventually rose to become the Pharaoh's most trusted adviser.
15. Which country celebrates National Siblings Day on April 10th?
- United States
- Canada
- United Kingdom
- Australia
National Siblings Day was founded in 1995 by Claudia Evart in honour of her late siblings. It's now celebrated in many countries, though it's not an official public holiday.