era can still be seen in some gothic buildings like St. Michael's Church (rebuilt 1427�1526) with its impressive stairway (1507). The town joined the Protestant Reformation very early. Johannes Brenz, a follower of Martin Luther, was made pastor of St. Michael's Church in 1522 and quickly began to reform the church and the school system along Lutheran lines.
Hall suffered severely during the Thirty Years' War, though it was never besieged or scene of a battle. However, it was forced to pay enormous sums to the armies of the various parties, especially to the imperial, Swedish and French troops, who also committed numerous atrocities and plundered the town and the surrounding area. Between 1634 and 1638 every fifth inhabitant died of hunger and diseases, especially from the bubonic plague. The war left the town an impoverished and economically ruined place. But with the help of reorganizations of salt production and trade and a growing wine trade, there was an astonishingly fast recovery.
Fires were a constant threat to the mostly wooden houses of the town. The great fires of 1680 and especially of 1728 destroyed much of the city, which led to new buildings in the Baroque style, such as the city hall.
The Napoleonic wars brought the history of Hall as a Free Imperial City to an end. Following the Treaty of Lun�ville (1801), the duke of W�rttemberg was allowed by Napoleon to occupy the town and several other minor states as a compensation for territories on the left side of the Rhine that fell to France. This took place in 1802 � Hall lost its territory and its political independence and became a Oberamtsstadt (seat of an Oberamt, comparable to a county). Ownership of the salt works was handed over to the state. A long economic crisis during the 19th century forced many citizens to move to other places in Germany or to emigrate overseas, mostly to the USA. While other towns like Heilbronn grew steadily due to the Industrial Revolution, the
