The Junior General has a game of the Battle of Saratoga (1777), complete with paper figures for you to play with.
Miniatures Rules
Civil War Ironclads Gaming Page
The Jackson Gamers have a page with everything you need to know to start gaming Civil War Ironclads
Jihad Wargames Rules For Modern Insurgency
Jihad is Stan Johansen’s rules for modern insurgencies. There also are printable action cards and counters.
Paper Tigers World War II Skirmish Rules
Paper Tiger Armaments offers Paper Tigers, a set of World War II skirmish rules. The author writes:
Paper Tigers is designed as an introduction to miniatures war gaming for the beginner. It is intended to be played with paper miniatures printed in 1/72 or 1/76 scale. To that end, the rules are kept deliberately easy to learn. This does not mean the rules are unsophisticated. Players will find that good tactics are generally rewarded. Paper Tigers uses a standard deck of playing cards to generate an interesting and sometimes surprisingly tense turn sequence. Higher value cards allow you to act first, but they are more difficult to successfully use. Lower value cards are easier to use, but with them, you are more likely to act after your opponent.
Most players! initial games are likely to be solo efforts. This does not pose a problem as Paper Tigers is purposely designed to work well in singleplayer games. The card-driven turn sequence combined with other mechanisms that limit player control make Paper Tigers highly suitable for solo play yet still provide an enjoyable multi-player game
Muskets and Moustaches Napoleonic Miniatures Rules
Muskets and Moustaches (sic) is a set of miniatures rules for the Napoleonic era. The author writes:
It is a very simple game to play, all based on a handful of dice and rolls of 1-3 and 4-6. Obviously there is a bit more to it, but that is the essence!