The age of invention began in the 18th century.

Explanation:
The “age of invention” is generally considered to have begun in the late 18th century, with the Industrial Revolution in Europe.

This period was characterized by a surge in technological innovation and development, which transformed the way people lived and worked.

The introduction of new machines and processes in manufacturing, transportation, communication, and other fields led to significant advancements in productivity, efficiency, and overall quality of life.

Some key inventions of this period include the steam engine, the spinning jenny, the power loom, and the telegraph. The age of invention continued throughout the 19th and 20th centuries, with new innovations such as the automobile, the aeroplane, and the computer etc