In 1685, Berlin was a war-ravaged provincial town of roughly 10,000 residents. By 1700, it had nearly tripled in size and become a bilingual European capital. This transformation was the result of a deliberate "Human Capital" acquisition strategy by the Great Elector.
Following the Revocation of the Edict of Nantes by Louis XIV, Frederick William issued a state invitation to French Protestants (Huguenots).
The Edict was not merely a humanitarian gesture; it was an economic stimulus package:
The speed of the influx created a unique "City-within-a-City" dynamic.
| Year | Total Population | Huguenot Residents | Huguenot Percentage |
|---|---|---|---|
| 1685 | ~11,000 | < 100 | < 1% |
| 1690 | ~18,000 | ~3,500 | ~19% |
| 1700 | ~29,000 | ~6,000 | ~21% – 30% |
The Huguenots settled primarily in the newly planned Friedrichstadt and Dorotheenstadt. Their presence was so dominant that by 1700, roughly one in every three Berliners spoke French as their primary language.
The refugees brought high-value skills that did not exist in the agrarian Mark Brandenburg:
The integration of the Huguenots left a permanent mark on the Berlin dialect (Berlinisch):
The 1685 influx proves that early modern state power was measured not by territory, but by the ability to attract and integrate specialized human capital. Berlin's rise as a Prussian capital is inseparable from this 30% demographic shock.