The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
After Poland regained its independence in 1918, the important problem was the organization of defensive structures. The military authorities bind great importance to the cooperation of all security entities to combat German espionage. Cooperation of branches of the Second Division of the General Staff (Main) of the Polish Army with the police and the Customs Guard in the early twenties left much to...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.