On June 14th, 1800. The Austrian forces of General der Kavallerie Michael von Melas attempted a surprise attack on Napoleon’s troops across the Bromida River. The Austrians, being numerically superior at the start of the battle, forced back the French. However, a well-timed assault from an incoming French division turned the tide of battle to the French.
Order of Battle (Wikipedia has a very nice, detailed list if you are interested)
French 29,942 soldiers 33 guns
General Napoleon Bonaparte
Corps Lannes
12 Battalions
6 Horse Artillery Cannons
5th Dragoon Regiment
Corps Victor
9 Battalions
4 Horse Artillery Cannons
3rd Cavalry Regiment
Corps Desaix
8 Battalions
4 Foot Artillery Cannons
1 Hussar Regiment
Cavalry Reserve
28 Total Squadrons
Reserve
2 Battalions Genadiers
2 Squadrons of Horse Guards
8 Cannons
Austrians
General der Kavallerie Michael von Melas
30,379 Soldiers, 92 Cannons
Advanced Guard
4 Light Infantry Battalions
4 Cavalry Squadrons
6 Cannons
Right Wing
5 Battalions
6 Squadrons
6 Cannons
Center
24 Squadrons
20 Battalions
8 Cannons
Left Wing
12 Battalions
6 Squadrons
12 Cannons
Wargame Scenario
For use with General D’Armee, Black Power, or any other large-scale Napoleonic Wargame
2-8 Players, players can take control of the entire army on either side, or each Corps/Wing could have a commander as well
French Players will need 31 Battalions, 36 Cavalry Squadrons, and 5 Artillery Batteries
Austrian Players will need 41 Battalion,s 40 Cavalry Squadrons, and 6 Artillery Batteries
Terrain should have a river near one field edge with a bridge crossing the river. There should be several forested areas and a large hill opposite the edge where the bridge stands
Table Size 8×4 or even 10×4

Objective
The Austrians want to use their numerical advantage to break the French before the French forces can flank them. The French want to hold until Desaix arrives, then break the Austrians using a hard flank attack.
Set Up
During the battle, the Austrians struggled to mobilize all their forces against the French. The Austrians should start with their advanced guard and right wing on the French side of the river, holding a bridgehead while the Center and Left wings continue to cross.
The French should start with the Victor Corps engaged with the advanced guard of the Austrians. Lannes and the Reserve Corps to the rear, and Desaix corps off the table to arrive at turn 10