Cavemen made fire hundreds of centuries ago.
Millennium (1000 years)
The first plane trip across the U.S. was completed exactly a century before last weekend.
the 19th Century, the 18th Century, the 4th Century BC A century is 100 years
We are in the 21st Century.
The century that we are in now- 21st century. :-/
There are a hundred years in a century.
No, the word "century" is not capitalized unless it begins a sentence. So "thirteenth century" would not be capitalized in the middle of a sentence.
It has been a century since he brushed his teeth. A century ago, she was in the olympics.
The century has passed because it is now 2000.
In the 23rd century, we might have flying cars ,or perhaps we will have portals.
There are no proper nouns in the sentence. A proper noun is the name of a specific person, place, or thing. The nouns in the sentence (statues and century) are common nouns; the statues are not specified by name and a century is not a specific date.
Both are equally acceptable, equally used and equally understood
No, "mid-nineteenth century" is not capitalized unless it is at the beginning of a sentence.
Yes, all words used in the beginning of the sentence is capitalized.
A preposition refers to the position of an object therefore in this sentence "at home" is the prepositional phrase
The most intractable challenges of the 21st century.
If you are writing for a formal or academic purpose, you must write out twenty first century.