Boleslaus (bishop of Vác) dating history

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"[...] It really got to Our ears, that in the first week of the past Lent, on the Wednesday of Ember days [10 March 1199], in the evening gloom, when Our Reverend Brother, [Boleslaus], the Bishop of Vác sang Compline with his fellow canons, you [Emeric], arriving to the Vác Cathedral, ordered them to hand over the keys of the sanctuary to you and the bishop [Boleslaus] leave the church [cathedral]; and when he was afraid of the trap set against him, as it gave rise to very strong suspicion for the [late] hour, he was reluctant to obey the royal command, you ordered: the gate of the sanctuary shall be broken by force; and when this bishop and the canons, for this reason, turned to the Lord and began to sing amid tears: »O Lord, look down from thine holy house, and consider us: bow down thine ear, O Lord, to hear us.« [Bar. 2,16], you took amiss that they were begging for divine help, and rushed at the bishop, dragging him down from the top staircase, which is in front of the altar, all the way to the floor paving by force, and the bishop, throwing down to the floor, was handed over to your no less violent [soldiers] in order to drag out from the church [cathedral]. So after you forcibly threw him out of the church [cathedral], and you left him half-dead and thereafter, you ordered to crack the lock of the treasury, seize the treasures of the church [cathedral] and confiscate of your own free will the patrimony of this bishop, who graciously donated it to a certain monastic house he newly founded [Lelesz Provostry]. Thereafter, when this bishop forbade the performance of worship services in the cathedral humiliated in this way, you refused to pay tithe [to his diocese], and under threat of penalty of blinding, you forbade his envoys to attempt to leave the kingdom, preventing their complaint from reaching the Apostolic See. [...]"