Mezue ahịrịokwu a: Mikołaj Radziwiłł bụ ọchịagha ruo ọtụtụ afọ. Ọ bụ ezie na ọ bụghị onye kachasị ama ama nke Commonwealth, n'okpuru eze Stefan Batory ọ nwere ihe ịga nke ọma n'ichebe oke ọwụwa anyanwụ nke Commonwealth megide Muscovy. Otu n'ime mmeri ya kachasị dị ịrịba ama bụ nke o meriri n'oge
Agha nke Ula nke 1564 mgbe ndị agha ya na-achịkwa meriri ndị agha Ivan the Terrible dị ukwuu karị.