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An Ottoman siege camp at night, lanterns and banners, a mine glow beneath a bastion

The sultan takes Vienna

By 11 September 1683 the Ottoman mines had opened Vienna’s walls and the city had days to live; the relief army crested the hills that same morning, one march from too late. This is the timeline where the bridges at Tulln cost one more day.

You are reading the timeline that almost was · notes marked THE RECORD are real history

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For fifty-nine days the grand vizier Kara Mustafa has been opening Vienna like a safe. Not by storm; by arithmetic. His miners burrow under the Burg bastion. His guns keep the walls awake. Tonight the arithmetic is nearly done: the last mine is charged, the breach party chosen. In the great tent, coffee is poured over maps, sweet and black. His army carries it the way other armies carry salt. Somewhere north, a relief army is rumored, queuing for its pontoon bridges at Tulln. In our timeline it crested the hills with one morning to spare.

In the timeline recorded here, the bridges cost what bridges always cost. One more day.