11 July 1941Pärnu Prison, officially designated a concentration camp for political prisoners, becomes operational in German-occupied Estonia. In 1941–42 it serves as a police detention facility for local Jews and Roma.
18 September 1941The Wehrmacht orders the arrest of all Roma in German-occupied Estonia.
29 September 1941Pärnu Prison in German-occupied Estonia has 302 inmates. Among the prisoners are 50 Roma.
6 October 1941In German-occupied Estonia, 61-year-old Sophie Siimann dies while incarcerated in Pärnu Prison.
1942
20 January 1942Five Roma youths stage an escape from Pärnu Prison in German-occupied Estonia. Prison guards rapidly apprehend three of them, Juhan Koslovski, Robert Mitrovski, and Karl-Alfred Mitrovski. Richard Eamets and Karl Koslovski manage to flee.
9 February 1942In German occupied Estonia, Karl Koslovski is deported to Pärnu Prison.
6 March 1942The police transfers 48 Roma from Pärnu Prison to Harku prison camp in German-occupied Estonia before 6 March 1942.
27 October 1942Murder of 243 Roma in Harku (German-occupied Estonia), among them Karl Siimann, Leontine Siimann and Richard Siimann.
