1st Vistula Ulan Regiment
1-szy Pulk Ulanow Nadwislanskich

They were formed on 20 March 1808 from the Cavalry Regiment of the Polish-Italian Legion.

On 18 June 1811 renamed the 7th Chevaux-legers-lancier.

This regiment was organized like a regiment of French chasseurs and consisted of 4 squadrons x 2 companies each.
Every squadron had its flankers armed with carbines. The officers and NCOs also carried this weapon. The troopers in the first rank were armed with lances.

Depot company was in Sedan (France). 

The total strength was 43 officers and 1000 NCOs and troopers. There was also a big number of surplus officers serving without an assignment. 

Awards for the Battle of Ocana - 19 November 1809, by Decree 29 May 1810:

Lieutenant K. Dziurkiewicz (Cross L. H.) Nr 27713
Sous Lieutenant P. Sienkiewicz (Cross L. H.) Nr 27714
Sous Lieutenant J. K. Janiszewski (Cross L. H.) Nr 27715
Sous Lieutenant J. M. Zawadzki (Cross L. H.) Nr 27716
NCO Scholtz (Cross L. H.) Nr 27717
Sergeant Sz. Grabowski (Cross L. H.) Nr 27718
Fourier F. Keller (Cross L. H.) Nr 27719
Brigadier W. Zibura (Cross L. H.) Nr 27720
Fourier P. Krobicki (Cross L. H.) Nr 27721
Trooper S. Bysstrzycki (Cross L. H.) Nr 27722
Trooper S. Magnuski (Cross L. H.) Nr 27723