Forts Clinton and Montgomery were included in the Highland fortifications ordered to be constructed in 1775—6. These, like Fort Constitution, were commenced by Bernard Romans, assisted by skillful French engineers, and were finally completed under the superintendence of Captain Thomas Machin. Fort Montgomery was of sufficient size to accommodate eight hundred men; Fort Clinton was only about half as large.
They were built of stones and earth, and were completed in the spring of 1776. Pursuant to a recommendation of Romans, made the previous autumn, preparations were made to place obstructions in the river from the mouth of Poplopen's, or Peploap's Kill, to Anthony's Nose, opposite. These obstructions, which were not completed until the autumn of 1777, just before the forts were attacked, consisted of a very strong boom, and heavy iron chain. * The latter, eighteen in length, was hundred feet buoyed up by heavy spars, connected by iron links, and also by large rafts of timber. It was believed that these obstructions, covered by the guns of the fort, and accompanied by several armed vessels, would be sufficient to effectually prevent the enemy from ascending the river. The result, however, was otherwise.
* Generals Knox and Greene visited Fort Montgomery in the spring of 1777, in company with Generals Wayne, M'Dougal, and Clinton. They made a joint report to Washington, in which they recommended the completion of the obstructions substantially as they were afterward done. The boom and the chevaux de frise so obstructed the current of the river (here very strong), that the water was raised two or three feet above them, and pressed upon them heavily. Twice the chain was parted by this pressure: first, a swivel, which came from Ticonderoga, was broken; and the second time a clevis, which was made at Poughkeepsie, gave way.
Condition of the British Forces.—Putnam's intended Expedition.—Sir Henry Clinton's Stratagem.—Landing of British Troops.
When Burgoyne found himself environed with difficulties at Saratoga, and perceived the rapid augmentation of the American army under Gates, he dispatched messengers to Sir Henry Clinton, then commanding at New York in the absence of General Howe, * urging him to make a diversion in his favor, and join him, if possible, with a force sufficient to scatter the half-disciplined provincials. Clinton was eager to comply; but a re-enforcement of troops from Europe, expected for several weeks, was still delayed. This force, amounting to almost two thousand men, under General Robertson, arrived at the beginning of October. Having sailed in Dutch bottoms, they were three months on the voyage. The 1777 first battle of Stillwater had now been fought, and the second was nigh at hand. Putnam was in the Highlands, with fifteen hundred men; his head-quarters were at Peekskill. Washington had drawn upon Putnam, toward the close of September, for twenty-five hundred troops, to aid in defending Philadelphia and the works on the Delaware, then menaced by the enemy. ** Their places were supplied by militia of New York and Connecticut; but, apprehending no hostile movement up the Hudson, Putnam had discharged about one thousand of them, leaving his effective force only fifteen hundred strong. Forts Clinton and Montgomery, commanded by the brothers James and George Clinton, were feebly garrisoned; in both fortresses there were not more than six hundred men, chiefly militia from Dutchess and Ulster. There was a fortification near Peekskill, called Fort Independence, which was also feebly garrisoned; in fact, the Highland posts were almost defenseless against a respectable demonstration on the part of the enemy.
On the arrival of re-enforcements, Sir Henry Clinton prepared for an expedition up the Hudson, partly for the purpose of destroying American stores at Peekskill, but chiefly to make a diversion in favor of Burgoyne. On Saturday evening, the 4th of October, he proceeded up the river in flat boats and transports, with about five thousand men, 1777 and landed at Tarrytown, nearly thirty miles from New York. ** This was a feint to deceive General Putnam into the belief that Peekskill was his destination. To strengthen this belief, and to divert Putnam's attention from the Highland forts, Clinton proceeded on Sunday, with three thousand troops, to Verplanck's Point, eight miles below Peekskill, where he debarked. General Putnam fell back, on his approach, to the high ground in the rear of Peekskill, and sent a messenger to Governor Clinton, desiring him to send to his aid as many troops as he could spare from the forts. The militia in the vicinity rallied around Putnam, and he had about two thousand men, on the afternoon of the 5th, to dispute the progress of the enemy up the Hudson, either by land or water. Sir Henry Clinton perceived that his stratagem was successful, and the next morning, under cover of a fog, he passed two thousand of his troops over to Stony Point, whence they made their way among the tangled defiles and lofty crags of the Dunderberg to Forts Clinton and Montgomery, twelve miles distant. The transports were anchored near Stony Point, and the corps of Loyalists, under Colonels Bayard and Fanning, remained at Verplanck's Point. A detachment was left near Stony Point, to guard the pass and preserve a communication with the fleet. Three frigates, the Tartar, Preston, and Mercury, proceeded up the river to a position between what is now known as Caldwell's Landing and Fort Independence, and within cannon-shot of the latter.
Governor Clinton received advices on Sunday night of the arrival of the enemy's ships and transports at Tarrytown, and, on Monday morning, a scouting party of one hundred
* General Howe was now in Pennsylvania. His army was encamped at Germantown, and being in possession of Philadelphia, he had established his headquarters in that city.
** When this requisition was made, Putnam was preparing a plan for attacking the enemy at four different points: Staten Island. Long Island, Paulus's Hook, and New York. He relied upon the militia of Connecticut, New York, and New Jersey, to accomplish his designs. Fortunately, Washington made his requisition in time to prevent what must have proved a disastrous expedition.