There were, however, three main periods of development: the 1860s, the 1890s and the 1920s.

The three programs look at the main periods of British comics.

The population almost doubled between 1785 and 1835, the main period of emigration.

During a fairly up and down career, he has so far had four main periods of success.

Wycombe's main period of activity was probably the 1270s and 1280s.

The main period that the Legions were active was between 1797 and 1803.

There were three main periods of the Army's development during the era.

Captained games outside the player's main period are also included.

His main period of competition was the late 1970s and early 1980s.

Quality's main period as a comics publisher was from 1982-1988.