The Imperialists, under the command of Commissary Osta, had besieged Biberach, an Imperial city not very well fortified; and the inhabitants being under the Swedes' protection, defended themselves as well as they could, but were in great danger, and sent several expresses to the king for help.
The king immediately detaches a strong body of horse and foot to relieve Biberach, and would be the commander himself. I marched among the horse, but the Imperialists saved us the labour; for the news of the king's coming frighted away Osta, that he left Biberach, and hardly looked behind him till he got up to the Bodensee, on the confines of Switzerland.
At our return from this expedition the king had the first news of Wallenstein's approach, who, on the death of Count Tilly, being declared generalissimo of the emperor's forces, had played the tyrant in Bohemia, and was now advancing with 60,000 men, as they reported, to relieve the Duke of Bavaria.
The king, therefore, in order to be in a posture to receive this great general, resolves to quit Bavaria, and to expect him on the frontiers of Franconia. And because he knew the Nurembergers for their kindness to him would be the first sacrifice, he resolved to defend that city against him whatever it cost.
Nevertheless he did not leave Bavaria without a defence; but, on the one hand, he left Sir John Baner with 10,000 men about Augsburg, and the Duke of Saxe-Weimar with another like army about Ulm and Meningen, with orders so to direct their march as that they might join him upon any occasion in a few days.
We encamped about Nuremberg the middle of June. The army, after so many detachments, was not above 19,000 men. The Imperial army, joined with the Bavarian, were not so numerous as was reported, but were really 60,000 men. The king, not strong enough to fight, yet, as he used to say, was strong enough not to be forced to fight, formed his camp so under the cannon of Nuremberg that there was no besieging the town but they must besiege him too; and he fortified his camp in so formidable a manner that Wallenstein never durst attack him. On the 30th of June Wallenstein's troops appeared, and on the 5th of July encamped close by the king, and posted themselves not on the Bavarian side, but between the king and his own friends of Schwaben and Frankenland, in order to intercept his provisions, and, as they thought, to starve him out of his camp.
Here they lay to see, as it were, who could subsist longest. The king was strong in horse, for we had full 8000 horse and dragoons in the army, and this gave us great advantage in the several skirmishes we had with the enemy. The enemy had possession of the whole country, and had taken effectual care to furnish their army with provisions; they placed their guards in such excellent order, to secure their convoys, that their waggons went from stage to stage as quiet as in a time of peace, and were relieved every five miles by parties constantly posted on the road. And thus the Imperial general sat down by us, not doubting but he should force the king either to fight his way through on very disadvantageous terms, or to rise for want of provisions, and leave the city of Nuremberg a prey to his army; for he had vowed the destruction of the city, and to make it a second Magdeburg.
But the king, who was not to be easily deceived, had countermined all Wallenstein's designs. He had passed his honour to the Nurembergers that he would not leave them, and they had undertaken to victual his army, and secure him from want, which they did so effectually, that he had no occasion to expose his troops to any hazard or fatigues for convoys or forage on any account whatever.
The city of Nuremberg is a very rich and populous city, and the king being very sensible of their danger, had given his word for their defence. And when they, being terrified at the threats of the Imperialists, sent their deputies to beseech the king to take care of them, he sent them word he would, and be besieged with them. They, on the other hand, laid in such stores of all sorts of provision, both for men and horse, that had Wallenstein lain before it six months longer, there would have been no scarcity. Every private house was a magazine, the camp was plentifully supplied with all manner of provisions, and the market always full, and as cheap as in times of peace. The magistrates were so careful, and preserved so excellent an order in the disposal of all sorts of provision, that no engrossing of corn could be practised, for the prices were every day directed at the town-house; and if any man offered to demand more money for corn than the stated price, he could not sell, because at the town store-house you might buy cheaper. Here are two instances of good and bad conduct: the city of Magdeburg had been entreated by the king to settle funds, and raise money for their provision and security, and to have a sufficient garrison to defend them, but they made difficulties, either to raise men for themselves, or to admit the king's troops to assist them, for fear of the charge of maintaining them; and this was the cause of the city's ruin.
The city of Nuremberg opened their arms to receive the assistance proffered by the Swedes, and their purses to defend their town and common cause; and this was the saving them absolutely from destruction. The rich burghers and magistrates kept open houses, where the officers of the army were always welcome; and the council of the city took such care of the poor that there was no complaining nor disorders in the whole city. There is no doubt but it cost the city a great deal of money; but I never saw a public charge borne with so much cheerfulness, nor managed with so much prudence and conduct in my life. The city fed above 50,000 mouths every day, including their own poor, besides themselves; and yet when the king had lain thus three months, and finding his armies longer in coming up than he expected, asked the burgrave how their magazines held out, he answered, they desired his Majesty not to hasten things for them, for they could maintain themselves and him twelve months longer if there was occasion. This plenty kept both the army and city in good health, as well as in good heart; whereas nothing was to be had of us but blows, for we fetched nothing from without our works, nor had no business without the line but to interrupt the enemy.