On June 23, 2026, a ceremonial event was held at the Advanced Training Institute of the Ministry of Internal Affairs of the Russian Federation to mark the 20th anniversary of the CSTO Collective Security Council's decision granting the Institute the status of the Basic Educational Institution for Continuing Professional Education of law enforcement and special service personnel of the CSTO member states in the fields of counterterrorism, combating extremism, illicit drug trafficking, illegal migration, and other forms of transnational organized crime, as well as for the training of specialists for peacekeeping missions and teaching staff of educational institutions.

85 years ago, the Great Patriotic War began. The war machine of Nazi Germany launched a treacherous attack against Soviet cities and villages and committed unprecedented atrocities against Soviet citizens. The peoples of the Soviet Union rose to defend their common Motherland and paid an enormous price for peace, freedom, and the right to live on their own land.

On June 17–18, 2026, CSTO Secretary General Talatbek Masadykov visited sections of the State Border of the Republic of Belarus with Poland and Lithuania.

On June 18, 2026, the 24th Meeting of the Interstate Commission for Military-Economic Cooperation of the Collective Security Treaty Organization (ICMEC CSTO) was held in Minsk on the sidelines of the 3rd International Security Industry Exhibition “National Security. Belarus 2026”. The meeting was chaired by Dmitry Stefanovich, Head of the Belarusian National Section of the ICMEC and Deputy Chairman of the State Authority for Military Industry of the Republic of Belarus.

On June 18, 2026, the 2nd Military-Economic Conference of the Collective Security Treaty Organization, entitled “Development of Cooperation among the Defense Industries (Military-Industrial Complexes) of the CSTO Member States: 20 Years of Practical Cooperation”, was held in Minsk on the sidelines of the 3rd International Security Industry Exhibition “National Security. Belarus 2026”. The event brought together representatives of relevant ministries, agencies, defense enterprises, and other institutions and organizations of the CSTO member states.