Two huge armies clashed near Borodino on September 7, 1812. Nearly a quarter of a million soldiers fought. Napoleon's army suffered heavy losses, with about a 6 of his soldiers killed or wounded.

1. The sentence quantifies the losses. The options include 'THREE'.
2. The context requires a number to specify the proportion of soldiers lost.
3. The word 'THREE' is transformed into 'third' to indicate one-third of the soldiers.
Final Answer:

third