[EternalVigilance]

Of course they had lined paper in the 15th century!

What else would their kids have put in their binders?

ROFL...

[the invisib1e hand]

What else would their kids have put in their binders?

what about legal pads? it's the oldest profession, isn't it?

[cynwoody]

Of course they had lined paper in the 15th century!

What else would their kids have put in their binders?

ROFL...

Ruled paper has existed since at least 400 AD. Before 1770, when John Tetlow invented the first ruling machine, the lines were drawn by hand. Nowadays, you can just click here.