[4] In 1911 he joined the Union of Active Struggle, and then the Riflemen's Association, where he was the commander of the city of Stanisławów.
He participated, inter alia, in the Battle of Krzywopłoty, where he became famous for the effective fire of the only artillery battery he commanded.
After the Oath Crisis, he was incorporated into the Austrian army and became the commander of the backup battery in the 1st and 2nd Mountain Artillery Regiment.
He lived in Zielonka near Warsaw, where he received land and a farm titled "Brzoza" for his merits.
On 22 September, he took command of the improvised group "Brzoza", which he organized from various backup units in the Małoryta region.
On 28 September, after the "Drohiczyn Poleski" group was included in its composition, the whole was formally named the Polish 50th Infantry Division „Brzoza”.
After the capitulation of SGP "Polesie", Brzoza-Brzezina was taken prisoner by the Germans but he was soon released due to his Czech origin.
His property played the role of an underground center of the Warsaw District of the SZP, and then of the ZWZ and finally served the Home Army.
In 1943, his property became a training base for non-commissioned officers of the "Dęby" Home Army territorial battalion was established there.