First mention of the founding of Freiburg. In various chronicles the founding year is listed as 1111, 1112, 1118 and 1122.

Konrad of Zähringen, the brother of the ruling Duke Bertold III, founds the market in Freiburg. Because of its closeness to the important trade routes, the market grows quickly in importance. A founding decree includes 80 entries which spell out the rights and duties of the Duke and the citizens.

Duke Bertold III is interred in the Cloister of St.Peter (founded in 1093). The Bertoldsbrunnen is erected in Freiburg's center in his honor.

King Konrad III and Friedrich Rotbart, Duke of Swabia, tarry in Freiburg.

Pope Alexander III approves Freiburg´s possession of the Cistercian Abbey in Tennenbach.

Bertold V comes to power after the death of his father.

Rudolf of Zähringen, (the Bishop of Lüttich and the Duke's uncle), dies in his village Herdern and is buried in St. Peter. Saint Lambert of Lüttich's relics are placed in the castle's chapel: He will later become Freiburg's patron saint. Duke Bertold V founds the city of Bern.

Opponents of the Staufer force Bertold V to put forth his candidacy as the successor to Heinrich IV. He agrees at first, but then makes an arrangement with Phillipp of Swabia and doesn't appear at the election in Köln (Cologne).

Around 1200 the city begins construction of a cathedral on the site of an older parish church. Designed on the lines of Basel's Minster, the church will become the present Münster Unserer Lieben Frau (Cathedral of Our Beloved Lady).

Bertold V is buried in the new cathedral. He dies without siring male heirs as thus, the last ruler of the House of Zähringen.

Count Egino of Ulrach, brother-in-law of Bertold V, inherits and becomes Count of Freiburg.

The Cistercian Abbey acquires the Tennenbacher Hof.

Mention of the 24 Freiburg City Councilors.

First mention of the Cistercian Abbey in Günterstal

Dominicans are allowed to settle in Freiburg.

Count Konrad I and his brother Heinrich divide the lands under their control. Konrad receives Freiburg and the Breisgau

The Order of Franciscans receives gifts from Count Konrad.

A new city constitution. The city councils members ( principally composed of Nobels and businessmen ), vote to increase the council's size by adding 24 members who shall be elected each year.

Freiburg joins the alliance of Rhine cities.

Earliest mention of a Latin school.

Berta of Breisach establishes the city of Lehen.

A new city constitution. Nobels' rights are decreased. King Rudolf of Habsburg lays siege to Freiburg.

Because of a conflict with the King, the Zähringer Castle is destroyed

Second siege of Freiburg through Rudolf of Habsburg's son.

Third siege of Freiburg by Rudolf of Habsburg. A peace agreement is reached and the Zähringer Castle is rebuilt.

Rudolf of Habsburg declares Freiburg to be a free city.

A document establishes the official size of the city. This will first be amended in 1850.

A new city constitution. The mayor is subject to a civil government and must be elected each year.

Battle between Freiburg citizens and the allied troops of the Count and his brother-in-law, the Bishop of Strasbourg. The Bishop is killed by a butcher and the citizens win the battle. As signs of atonement, the Bishop's Linde is planted and the Bishop's Cross displayed.