On 2 June, Russian Empress Catherine the Great approved the request to protect the state from possible invasion by sending a contingent of 6,000 soldiers to Courland.

[2][3] On 25 June, an insurgent detachment of approximately 1,500 soldiers and two cannons, under the command of major general Antoni Wojtkiewicz, took the city of Liepāja without a fight, disarming the small Curonian garrison.

Heinrich Ernst Johann Karl von Mirbach was declared the Major General of the Duchy of Courland, and began to create local rebel units.

On June 30, the Parliament of Courland officially addressed the Russian Empire and the Empress Catherine personally with a request to assume protectorate over the duchy "until order is restored in Poland.

[2][3] Following the end of the uprising, the territory of the Duchy of Courland and Semigallia was incorporated into the Russian Empire on 28 March 1795, as part of the Third Partition of Poland.

They were freed in 1797, with a pardon issued by Emperor Paul I. Heinrich Ernst Johann Karl von Mirbach, was arrested and sent to Riga, where he was put on trial for inciting a rebellion of the Curonian peasants.