This document provides a timeline from July 1980 to September 1981 summarizing key events in Poland related to the rise of the Solidarity movement and preparations for the eventual declaration of martial law in December 1981, as reported by CIA source Colonel Ryszard Kuklinski. It includes the formation of Solidarity, political leadership changes in Poland, increasing Soviet pressure to crack down on Solidarity, and the refinement of Polish plans for imposing martial law over this period. Kuklinski's reports offered insights on Polish and Soviet discussions and decisions regarding how and when to introduce martial law from his position on the Polish general staff.