The intense economic and trade activity in Medieval and Renaissance period is continued in  the nineteenth century by the prosperous manufacturers. In Sebes are founded” The Baumann” textures  (1834), the Leather Workshop –“Dahinten" (1843) and the Timber factory "Baiersdorf & Biach”

Since 1897, Sebes is connected to the railway, the route  Vintu the Jos-Sebes, and after1897  the road is opened on the Sebes Valley.

A prosperous urban activity was recorded during 1900 - 1914, during Mayor Johann Schöpp mandate, when they built the new City Hall,  the Old Post Office,the Communal Bathroom, the Slaughter_house, the Gym,the Forest House,the Hospital,the Power Plant and the Army Barracks.

The Union from the1-st of December 1918, gave the Sebes City residents and those from nearby villages the opportunity to prove their adherence to this event.The National Guard Commander in  Sebes was captain Daniel Tecau and the first elected  Mayor of the Romanian and the Saxons after the 1-st December 1918 was attorney Lionel Blaga, Lucian Blaga brother.

After the 1945 the nationalization and the expropriations made by the communist government had as its object agricultural properties and industrial buildings,and were particularly made upon the "landlords", "kulaks" and "Industry Owners", regardless of nationality-Romanian, Germans, Hungarians, Hebrew etc.

 The same thing happened to those who were  arrested and deported( to the people from the political parties,to officers in the historical Royal Army ,to those suspected to sympathize with the fascist Germany, meaning all those people who do not agree  with the new polical regime).

 

  In 1980 the  the first hydroelectric power is pulsating from the  Sebes Valley to the national grid,  from theOasa-Gâlceag then it followed, a short time later, plants from Tau, Sugag, Capalna,  Sasciori and Petresti.

 
The population of the city has evolved over the time, from 4624 inhabitants in 1850 to 7700 in 1900, and then to 13,700 in 1966. Sebes currently has over 30,000 inhabitants now, : 83% Romanians, 1.5%,  Germans 6.9% Romas, 1.78% Hungarians, etc..