The town developed successfully, trade and crafts flourished, including the production of weapons,[2] a Renaissance church was built.

In 1809 it was regained by Poles and included in the short-lived Polish Duchy of Warsaw and since 1815, it was part of the Russian-controlled Congress Poland.

[2] In 1900 Bychawa had 2,800 inhabitants, including 2,294 Jews who constituted 81% of the total population of the town, as a result of Russian discriminatory regulations.

On the eve of the outbreak of World War II, Jewry made up only a half of the entire population in Bychawa.

[4] In July 1944, as part of the Operation Tempest, the Polish Home Army liberated Bychawa from German occupation, a few days later the Soviets entered the town.

[2] The town's landmark is the late Renaissance Saint John the Baptist church, built in the early 17th century.