What happened at the battle of sedan and what happened two days after this?

The Battle of Sedan, fought from September 1 to September 2, 1870, was a decisive engagement during the Franco-Prussian War, where the Prussian forces encircled and defeated the French army led by General MacMahon. The French suffered significant casualties and were forced to surrender, leading to the capture of around 100,000 French troops, including Emperor Napoleon III. Two days later, on September 4, 1870, the French Third Republic was proclaimed in Paris as a response to the defeat and the subsequent political turmoil, marking a significant shift in French governance.