| 1311 | First mention of two mayors, elected from among the council, to gradually take over the functions of the sheriff. |
| 1320 | The introduction of a fixed city tax marks the beginning of a tax administration system in Frankfurt. |
| 1329/30 | Frankfurt citizens are granted customs exemption throughout the empire. Moreover, Louis the Bavarian permits the city to hold a second annual trade fair (Lenten or Spring Fair). |
| 1333 | The Emperor Louis allows the city to expand. The Neustadt (New Town) is secured by means of a new city wall and a territorial reserve force. The old fortifications (Staufen Wall) are gradually demolished. |
| 1349 | Frankfurt's Jewish community perishes in a second pogrom. Jews do not return until 1360. |
| 1356 | The Golden Bull, as an imperial constitution, finally confirms Frankfurt as a venue for royal elections. |
| 1366 | Frankfurt's guilds revolt against the patrician oligarchy on the city council. The uprising is suppressed. |
| 1372 | The council acquires the office of the sheriff, the imperial woods (Reichswald) and half the Jewish tax through an imperial pledge, thus consolidating its position in relation to the king. |
| 1389 | The participation of Frankfurt in the war of the Association of Rhenish Towns ends in a defeat at the battle of Kronberg. |
| 1405 | The council acquires two houses, Zum Römer (The Roman) and Zum Schwan (The Swan), which are converted into a city hall. |
| 1418 | King Sigmund institutes an imperial coin in Frankfurt. |
| 1462 | Following an imperial command, Frankfurt's Jews are resettled in a ghetto called Judengasse (Jews' Lane) on the edge of the city. |
| 1478 | Booksellers are represented at a Frankfurt trade fair for the first time. |
| 1500 | Frankfurt has a population of about 10,000. |
© Helmut Nordmeyer, Translation: Hugh Beyer
