As the Roman Empire disintegrated in the middle of the first millennium ad and new questions (Is there something beyond this life?

But, relatively speaking, reporters, since the mid-20th century, have had less access to the president than their predecessors.

By the middle of the eighteen hundreds, science had shown that plants, fish and other sea creatures could survive together under water.

Scientific socialism originated in the middle of the nineteenth century.

Likewise, there was a time around the middle of the last century when the world was briefly convinced 3D was the future of cinema.