The population in the first half of the 17th century was between 2,000 and 5,000 people.
In the last half of the 20th century, life began to change here.
They did their work in the first half of the 20th century.
The time is the first half of the 24th century.
The game is set in the future, some time after the first half of the 21st century.
Good times came to an end in the first half of the 17th century.
The story is set in the first half of the 19th century.
The building was probably started in the second half of the 11th century.
By the second half of the 18th century the position was very different.
In the first half of the 20th century, this was not the case.