in Jonava in 1930 Jonava was officially established as a city in the 18th century during the times of the
Polish–Lithuanian Commonwealth. In 1750, the first wooden church was built in Jonava. In 1778, a beer brewery was operating in the town. Around 1812,
Napoleon and his army invaded the town and its surrounding villages. In 1923, Jonava was officially recognised as a city-status settlement and in 1950 it became the centre of the municipality. The city had a large Jewish population before World War II. In 1893, 92% of the population was Jewish and in 1941 it was 80%. In 1932 there were 250 shops owned by Jewish families, a Jewish bank, 7 synagogues and a Jewish school. During World War II Jonava was attacked by
Nazi Germany. A Christian church and five Jewish synagogues were destroyed. The Jews of the city were killed in two massacres, in August and September 1941. A total of 2,108 people were executed by an
Einsatzgruppen of Germans and
Lithuanian Self-Defence Units. 200 remaining Jews were kept prisoners at the
Kaunas ghetto. After the war, the city built the largest fertilizer factory in the
Baltic states and Jonava become one of the 4 biggest industrial cities in Lithuania. == Environmental catastrophe ==