the Mariampole Dragon Regiment were erected at 100 Bema Street. In 1890, the barracks of Kharkov Uhlans Regiment were built at Kawaleryjska Street. Throughout the interwar period and the existence of the Second Polish Republic, the city enjoyed the presence of the 42nd Infantry Regiment (barracks at Wygoda), 10th Lithuanian Uhlan Regiment (Kawaleryjska Street) and the 14th Horse Artillery Squadron () (Bema Street), the command of the Podlaska Cavalry Brigade and spare center (Skladowej-Curie Street, then Piwna), units of the Armed Forces of the Second Polish Republic. The 18th Reconnaissance Regiment () of the Polish Land Forces is based in Białystok. The heritage of the unit was the former 18th Territorial Defense Battalion () and prior to that the former 18th Mechanized Brigade. December 31, 2001, as a result of the restructuring of the Armed Forces, 18th Mechanized Brigade () was disbanded and in its place created the 18th Territorial Defense Battalion (). The Cavalry Brigade "Białystok" (BK "Białystok") of the Polish Army Second Republic was formed in February 1929. On April 1, 1937, BK "Białystok" was renamed the Podlaska Cavalry Brigade(). Its headquarters was located in Białystok and operated as part of Independent Operational Group Narew. It was formed from the Cavalry Brigade "Białystok", which existed between February 1929, and March 30, 1937. After the Soviet invasion of Poland, remnants of the Brigade fought both Wehrmacht and Red Army troops, capitulating on October 6, 1939. During December 1993 an order of the Chief of the General Staff of the Polish Armed Forces created the 18th Mechanized Brigade () at the garrison in Białystok. The unit was formed from the 3rd Mechanized Regiment () and was subordinated to the commander of the 1st Warsaw Mechanized Division (). On December 31, 2001, as a result of the restructuring of the Armed Forces, the 18th Mechanized Brigade was disbanded and in its place was created the 18th Territorial Defense Battalion. Economy In the nineteenth century, Białystok was an important center for light industry, which was the reason for the substantial growth of the city's population. The tradition continued with many garment factories established in the twentieth century, such as Fasty in the district of Bacieczki. However, after the fall of communism in 1989 many of these factories faced severe problems and subsequently closed down. The unemployment rate for November 2020 in Białystok was 6.8%. The 2009 average household had a monthly per