How many stars and stripes are on the US flag, and what do they represent?
The US flag has 50 stars, one for each state, and 13 stripes that stand for the original 13 colonies.
- Home
- How long did it take to build Cologne Cathedral?
“Construction of Germany's Cologne Cathedral started in 1248 and was not finished until 1880, more than 600 years later.”
Reference: UNESCO World Heritage Centre
More from this shelf
Which country has the largest population entirely within the European Union?
Germany has the largest population of any European Union country, at around 83 million people.
Why does the Leaning Tower of Pisa lean?
The Leaning Tower of Pisa started tilting during construction in the late 1100s because it was built on soft, unstable soil.