HomeDaily TriviaMay 21, 2026
📅 Daily Quiz

Daily True or False
May 21, 2026

10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.

1.

Joe Perry briefly left Aerosmith in 1979 and was replaced by Jimmy Page.

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Hard
✗ FALSE

Joe Perry left in 1979, but was replaced by Jimmy Crespo, not Jimmy Page.

2.

Female tarantulas can live for over 20 years in captivity.

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Medium
✓ TRUE

Some female tarantulas, such as the Mexican red knee, have lifespans exceeding 20 years in captivity, while males typically live only a few years.

3.

Leonardo da Vinci was a close friend and collaborator of Michelangelo.

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Medium
✗ FALSE

Leonardo da Vinci and Michelangelo were rivals, not friends. They had a public feud, with Michelangelo mocking da Vinci's inability to finish works. No record of collaboration exists.

4.

Piranha are native to the freshwater rivers of South America.

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Easy
✓ TRUE

Piranha are naturally found in South American river systems, particularly the Amazon, Orinoco, and Paraná basins. They are not native to other continents.

5.

The Magna Carta was the first document to limit the power of the English monarchy.

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Medium
✗ FALSE

The Charter of Liberties, issued by King Henry I in 1100, earlier restricted royal power, including protections for barons and the church. Thus, the Magna Carta was not the first such document.

6.

Archimedes was killed by a Roman soldier while working on a geometry problem in the sand.

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Medium
✓ TRUE

According to Plutarch, Archimedes was so absorbed in a geometry problem that he ignored a Roman soldier's orders, leading to his death during the sack of Syracuse.

7.

Pizza dough must be kneaded for at least 30 minutes to develop proper gluten.

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Hard
✗ FALSE

Over-kneading can toughen dough; many recipes require only 8-10 minutes. Some no-knead methods resting overnight work fine.

8.

In 2016, a stick insect set the record for the longest insect ever measured.

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Hard
✓ TRUE

A stick insect species, Phryganistria chinensis, was discovered in China. It measured 24.5 inches (62.4 cm) long, making it the longest insect on record.

9.

Piranha are found in oceans and saltwater environments worldwide.

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Easy
✗ FALSE

Piranha are strictly freshwater fish, inhabiting rivers and lakes in South America. They cannot survive in saltwater oceans.

10.

Elon Musk co-founded X.com, which merged with Confinity to become PayPal.

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Medium
✓ TRUE

Musk founded X.com in 1999. In 2000, it merged with Confinity, which had a money-transfer service. The merged entity was later renamed PayPal, and eBay acquired it in 2002.

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