At the start of 20 th century - 112 years ago
It is believed that gun powder was invented in china sometime between the 10th and 11th century,s.
No, cars were not invented in the thirteenth century, they were actually invented in the seventeenth century.
No, the first practical telescope was invented at the beginning of the 17th century.
19th century
19th century
The eyeglass was invented first, in the 13th century. The magnifying glass was invented in the 13th century as well. The telescope was invented in the early 17th century, while the microscope was invented in the late 16th century.
it was invented in Europe in the 13th century but was far more common in the 14th century
The Man Who Invented the Twentieth Century was created in 1999.
The telephone was made in the century 1800
The touch screen wasn't invented in the 21st century, it was invented in 1971, which is the 20th century.
19th century