After several small-scale attempts, István Széchenyi organised the "regulation of the Tisza" () which started on August 27 1846, and substantially ended in 1880. The new length of the river in Hungary was reduced to in total, with of dead channels and of new riverbed.
After several small-scale attempts István Széchenyi organised the "regulation of the Tisza" () which started on August 27 1846 and substantially ended in 1880 The new length of the river in Hungary was reduced to in total with of dead channels and of new riverbed