Henry's was a pious, but not a religiously timid or superstitious (p. 145) mind; and, unaffected by this incident, or the entreaties of his friends, he proceeded on his voyage forthwith, and on Friday, August 13, at five o'clock in the afternoon, he entered the mouth of the Seine, and anchored at a place called Clef de Caus,[115] between Honfleur and Harfleur, three miles from the latter town. He landed his forces without opposition; and, on coming on shore himself, he knelt down, and prayed to Almighty God to prosper his just cause.[116] [Footnote 115: At the place also where he encamped, he solemnly celebrated the festival of the Assumption [so called] of the Virgin Mary, a feast observed, in the countries on the Continent in communion with Rome, with great rejoicings and religious ceremonies, in the present day.] [Footnote 116: See Chronicler A, and St. Remy, p. 82, quoted in Nicolas' Agincourt.] Henry resolved on laying siege to Harfleur, the inhabitants of which seemed equally determined to resist him. The siege of Harfleur, which commenced on Sunday, August 18, is described with great minuteness by several writers. His brother, the Duke of Clarence, appears to have held the most prominent place among Henry's officers; and much praise is ascribed to him for his prowess and military talent. Every mode of attack and defence then reckoned among martial tactics was carried out on both sides.