The 1800s.
About 70 elements had been discovered by the mid-1800s.
Yes, the early 1800s is the same as saying the early 19th century. The 19th century encompasses the years from 1801 to 1900, so the early part of that century refers to the first few decades, specifically the 1800s. Therefore, both terms refer to the same time period.
This may not seem like much, but in that time, the Scientific Revolution was going on. That was basically a period in time where peoples knowledge was growing on scientific topics. The electric motor and many other inventions were created in that time.
Gilded Age
1800s
the founding fathers time period was the 1800s
Victorian era?
The 1800s.
It means that it happened in that time period:)
1800s
To refer to the time period from 1800 to 1899, you would say "the 1800s" or "the nineteenth century" in English.
around or about a certain time period
1822 is in the early 19th century, specifically in the early 1800s.
no one, have you SEEN people from that time period?
The time period of "The Swiss Family Robinson" is set in the early 19th century, specifically during the early 1800s.
No. During that time period, muzzle loaders were the order of the day.