The 6th Congress of the Workers' Party was a pivotal gathering held in Pyongyang, North Korea, aimed at reaffirming the leadership of Kim Il Sung and setting the stage for future governance. It convened during a time of economic challenges and impending concerns about the leadership transition. The Congress, which had been dormant since 1966, aimed to solidify the party's unity and direction under Kim Il Sung's dictatorship. It culminated in the historic endorsement of Kim Jong Il as the designated successor, marking a significant moment in North Korean history.

Kim Jong Il was introduced to the world as the heir apparent, with the Congress focusing on his capability to uphold and further the revolutionary principles laid down by his father. The gathering included high-ranking officials who publicly expressed their loyalty to Kim Il Sung, reinforcing the dynastic transition within the party's framework. Delegates highlighted the need for continuity to maintain ideological rigor against external and internal adversities. This decision also had the implicit goal of ameliorating fears of instability among the party ranks following Kim Il Sung’s eventual departure.

The Congress also addressed pressing national concerns, including the economy and military doctrine, emphasizing the 'Military First' policy that Kim Jong Il would later implement. By anointing Kim Jong Il, the party sought to pre-empt any leadership challenges and consolidate power firmly within the Kim family. This hereditary succession was unprecedented in a Communist state, marking the beginning of a dynastic rule that would shape North Korea's future for decades to come.