King Frederick William IV of Prussia unilaterally imposed a monarchist constitution to undercut the democratic forces. This constitution took effect on December 5, 1848.
On December 5, 1848, the Berlin Assembly was dissolved and replaced with the bicameral legislature allowed under the monarchist Constitution. This legislature was composed of a Herrenhaus and a Landtag.
In December 1848, the factory of Mendeleev's mother burned down, which strongly affected the financial situation of the family. During that time, Mendeleev was attending the gymnasium(school) in Tobolsk.
By late 1848, the Prussian aristocrats and generals had regained power in Berlin. They had not been defeated permanently during the incidents of March but had only retreated temporarily.