Andreas Papandreou assumed the office of Prime Minister, leading the Panhellenic Socialist Movement (PASOK) to a remarkable victory in the Greek parliamentary elections. This election was significant, as it signaled the end of a prolonged period of conservative political rule that had lasted almost five decades. The victory of PASOK ushered in a new era for Greece, marked by a platform focused on social justice, equality, and economic reform. The elections were held against a backdrop of social unrest and a burgeoning desire for progressive policies among the Greek populace, who were eager for change after years of political stagnation under conservative governance.

Papandreou's campaign promised an overhaul of the political structure, emphasizing the need to address issues such as poverty, unemployment, and rampant inflation. It was buoyed by a surge of grassroots support and a mobilization of various social groups, particularly among the youth and working classes. Following the electoral win, Papandreou implemented several reforms aimed at democratizing the political process and redistributing wealth through extensive welfare programs, health care reforms, and labor rights enhancements, radically altering the socio-political landscape of Greece.

The election had an immediate impact on both domestic policies and Greece's foreign relations, as Papandreou sought to recalibrate Greece's position within the European community and foster better relations with neighboring countries. His administration often faced challenges, including hyperinflation and political opposition, yet it is remembered for laying the groundwork for modern Greek parliamentarism and influencing the future trajectory of the political left in Greece.