But by the late 20th century, they had run out of students.

But by the early 20th century all had become states.

A church at the site was present by 13th century.

By the late 19th century, there were about 70 left.

By the 20th century a lot of things had changed in music.

By the 3rd century, only some 20,000 people lived in and around the town.

By the early 18th century, the population of the area was still below 200.

By the late 14th century, the population has increased to around 100.

By the mid-20th century, half of all Americans died in a hospital.

By the 21st century, the county had a population of 11,976.