A Gladius:

An Estoc:

A Falchion:

A 14th-15th century two-handed knights sword:

And just because I had to illustrate how silly it is, here is the "30-pound sword" that "everyone" knows is historically correct, particularly roleplaying games:

That one isn't actually 30 pounds, it's between 8 and 9, but the demo has a limit of 3 meters for the blade length.

...!
Stoke Mandeville, Esq & The
Victorian Ballsmiths
"Nobody Want Verdigris-
Covered Balls!"