Any manga/manhwa that has romance and a war setting? just no yaoi/yuri/hentai.
Similar titles:
Basilisk
Berserk
Threads of time
Vagabond(not sure bout this just started it)
Rurouni Kenshin
and also theres this one title abbreviated as ZHD I just forgot the expanded name

Don't only look straight, look also to the sides, usually the essential isn't in front of you, but beside you.
-7

Zettai Heiwa Daisakusen - sort of
Legend of Nereid
Ao no Fuuin - not exactly war, but conflict...
Kanata Kara

Drat! I know more of these! Why can't I remember??

poof "SHOUJOMAN IS HERE!"
Just Lynz, drop the -ajw

Basara!!!! It's really good!
Anatolia Story This one is good too! 😀

First girl
Kakan no madonna
Moryo Kiden
almost every part of Record of Lodoss War.

I'll try to think of more later

edit:
HITOMI - The Vision of Escaflowne
Kwaïdan sort of
Seimaden
Merupuri sort of, in the later volumes
Tokyo Crazy Paradise ^ same
X

[img]http://img.userbars.pl/69/13603.gif[/img]
Still the [color=red]bad[/color] cop.

Shin Angyo Onshi
Eden --> not exactly a war but plenty of battles involving military personnel and mercenaries

"When we remember we are all mad, the mysteries disappear and life stands explained."

• Samuel Clemens/Mark Twain

Anything related to Romance of the Three Kingdoms sounds like a match if you're interested.

Saikano

/thread (hypothetically)

Listen here
Livin just to keep from dyin
[img]http://imagegen.last.fm/TheDarkTen/recenttracks/imgooley.gif[/img]

Pumpkin Scissors
Code Geass