A LETTER FROM general Leven, the Lord Fairfax, and the Earl of Manchester; To the Committee of both Kingdoms: And by them communicated to the Parliament. Concerning the great VICTORY It hath pleased God to give them over the Forces under the command of Prince Rupert and the marquess of Newcastle, at Marstam-Moor, near YORK, July the Second, 1644.  
Signed thus: Leven. Lindsey. F. Fairfax. Tho: Hatcher. Manchester.  
Expressing also what number of the Enemy are slain, what number taken prisoners, and what Ordnance, Arms and Ammunition the Enemy lost.  
Also an ORDER of the Commons assembled in Parliament, for Thursday the 18. of this present July, for a day of public Thanksgiving throughout the whole Kingdom.  
Die Mercurii, 10. Julii, 1644. ORdered by the Commons in Parliament, That this Letter be forthwith printed and published: H: Elsing, Cl. P. D. Com.  
London: Printed for Edw. Husbands, July 12. 1644.   

Right Honourable,  
SInce our last to your Lordship, the Condition of our affairs is not a little changed, for on Monday last, upon notice of Prince Rupert's Marching from Knaresbrough towards us: we resolved, and accordingly drew out the Armies to have met him, and for that end did march that same night to Long Marston-Moor, about 4. miles of the west side of York, but he having notice thereof, did pass with his army at borough Bridge, and so put the River of Ouse between him and us: whereby we were disenabled to oppose his passage into York, the Bridge we built on the west side of the town being so weak, that we durst not adventure to transport our Armies upon it: This made us resolve, the next morning to March to Tadcaster, for stopping of his passage Southward: and the Armies being so far on their way, as the van was within a mile of it, notice was sent to us by our Horsemen, who were upon our Rear, that the Prince his army, Horse and foot, were advanced the length of Long Marston Moor, and was ready to fall upon them; Whereupon we recalled the army, and drew them up on a corn-hill, upon the southside of the Moor, in the best way we could, so far as the straightness of the fields, and other disadvantages of the place could permit; before both armies were in a readiness it was seven a clock at night, about which Time they advanced the one to the other: Whereupon followed a very hot Encounter, for the space of three hours, whereof (by the great blessing and good providence of God) the issue was the total Routing of the enemy's army, the loss of all their Ordnance, to the Number of 20. Their ammunition and Baggage, about 100 Colours, and ten thousand arms, there were killed upon the place about 3000. of them, whereof many are chief Officers, and 1500 prisoners taken, amongst whom there are above 100 Officers, in which number, is sir Charles Lucas, Lieut: general to the marquess of Newcastle's Horse, Porter Major general, and Major Gen: Tillier, besides diverse colonels, Lieutenant colonels, and Majors; Our loss, God be praised, is not very great, being only of one lieutenant colonel, some few captains; and about two or three hundred common soldiers. The Prince in a great distraction, with a few Horsemen, and almost no foot, marched the next morning from York Northwards: We are now lying down again in our old Leaguer before York, which we are in hopes in a few days to gain; and are resolved to send a great part of our cavalry after prince Rupert: we having nothing to add, but as the glory of all the success belongeth unto God, and the benefit we hope, shall redound to the whole kingdom; we have appointed this next Sabbath for a day of public thanksgiving throughout the Armies; So your Lordships would appoint a day for the same to be kept throughout the kingdom, and Notice sent to us thereof, that we may altogether join in it, and we shall continue,  
Your lordship's affectionate friends and servants, Leven. Lyndsey. Tho. Hatcher. F. Fairfax. Manchester. From the Leaguer before York, 5. July 1644.   

Die Lune, 8. Iulii, 1644.  
IT is this day Ordered by the LORDS and COMMONS assembled in Parliament, That Thursday come seven-night shall be set apart and appointed for a day of public Thanksgiving to be rendered unto Almighty God, for his great Blessing and full victory over Prince Rupert's Army in Yorkshire, to be kept in London and Westminster, and all other parts of the kingdom.  
H: Elsing, Cler. Parl. D. Com.  
FINIS.