Greatest military leader in history

[Okay, maybe Mike Johnson is a competent parliamentarian.]

Subutai on land, probably Nelson on water.

[Okay, maybe Mike Johnson is a competent parliamentarian.]

Subutai once won running cavalry battles in Poland and Hungary on successive days. Even though both countries were bigger then and shared a border around what is now Ruthenia, they still had the Carpathians along all of said border. Subutai wasn't physically present at both battles but he coordinated both, in an era of difficult communications.