The story
Welcome to the Isartor. Stand for a moment and look up at these massive, weathered towers. This is the only gate in Munich that still retains its medieval appearance, serving as the historic threshold between the city and the Isar River.
As you listen to the hum of traffic and the chime of the nearby trams, try to peel back the layers of time. You are standing on the edge of a story that began not with a peaceful settlement, but with an act of arson and a daring grab for power. In the middle of the 12th century, Munich didn’t really exist.
The power in this region belonged to the Bishop of Freising. The Bishop controlled a bridge over the Isar River a few miles to the north, in a place called Oberföhring. Back then, salt was known as white gold.
It was the most precious commodity in Europe, and every merchant hauling salt from the Alpine mines toward the north had to cross the Bishop’s bridge and pay a hefty toll. The Bishop was getting very, very rich. Enter Henry the Lion, the Duke of Bavaria.
Henry was a man of immense ambition and very little patience for sharing wealth. He looked at the Bishop’s lucrative monopoly and decided he wanted a piece of the action. But Henry didn't just ask for a share; he took it.
In 1158, Henry sent his soldiers to Oberföhring. In a move that would be considered a declaration of economic war today, they burned the Bishop’s bridge to the ground. With the northern crossing destroyed, Henry built his own bridge right here, near a small settlement of monks called Munichen.
He diverted the salt road, forcing the merchants to cross at his new bridge and pay the tolls to him instead. The Bishop was naturally furious and took the case all the way to the Emperor, Frederick Barbarossa. In a famous legal ruling, the Emperor decided that while Henry’s methods were questionable, the new bridge could stay, provided the Bishop received a third of the tax revenue.
This ruling, dated June 14th, 1158, is the first official mention of Munich, marking the city's birth. As you walk through the central arch of the Isartor, look at the grand fresco above you. It depicts the triumphal entry of Emperor Louis the Bavarian, a testament to how this city grew from a stolen bridge into an Imperial powerhouse.
The very ground you are walking on was paved by the wealth of that salt trade. Munich wasn't born from a plan; it was born from a spark, a plume of smoke in the north, and the ruthless ambition of a Lion.