Head of Polish diplomacy Radosław Sikorski stayed in the USA on 4-7 February 2026, where he attended a ministerial conference on critical minerals. The visit took place at the invitation of U.S. Secretary of State Marc Rubio and coincided with the 280th anniversary of the birth (4 February) of General Tadeusz Kościuszko – the hero of both nations. On this occasion Minister Sikorski ..