 Complete the following phrase:  In the early years of the NFL, decades before the introduction of either the term three-peat or the Super Bowl, the Packers won three consecutive NFL titles from 192931. This was achieved without playing any postseason playoff games, as the league title was determined at that time from the season standings. In addition, the Packers won the NFL championship in 1965, at a time when the rival NFL and AFL played separate exclusive championships. They then followed that 1965 championship with their first two Super Bowl victories in 1966 and 1967 their Super Bowl berths were earned by winning both the 