Third Hellenic Republic
The Third Hellenic Republic is the period of modern Greek republican government that began with the fall of the military junta in 1974 and continues today.
Last updated August 26, 2026
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Overview
The Third Hellenic Republic is the current constitutional and political period of Greece. It began in 1974 after the collapse of the military junta that had governed Greece since 1967. The transition, commonly called metapolitefsi, restored parliamentary democracy, legalized political pluralism, and ended the postwar monarchy. A referendum held in December 1974 rejected restoration of King Constantine II, and the democratic settlement was formalized through the 1975 Constitution. The republic is conventionally regarded as Greece's third period of republican rule, following the First Hellenic Republic associated with the Greek War of Independence and the Second Hellenic Republic of 1924–1935. Unlike those earlier labels, however, Third Hellenic Republic is widely used in contemporary political and historical discussion. The system has been a parliamentary republic in which the president serves as head of state and the prime minister, supported by a parliamentary majority, leads the government. The early republic was shaped by Konstantinos Karamanlis, who returned from exile, formed New Democracy, and supervised the restoration of democratic institutions. The first multiparty elections since 1964 were held in 1974. Greece rejoined NATO in 1980 and entered the European Communities in 1981, becoming the tenth member. European integration, public investment, infrastructure development, tourism, shipping, industry, and the services sector contributed to long-term improvements in living standards. The rise of Andreas Papandreou and the Panhellenic Socialist Movement, or PASOK, in 1981 established a durable two-party pattern in which PASOK and New Democracy dominated national government for much of the following three decades. Papandreou's governments introduced significant social reforms, including recognition of civil marriage, abolition of the dowry system, and broader access to education and healthcare. His period in office was also associated with contentious foreign-policy choices, political scandals, corruption allegations, persistent inflation, and structural budget problems. The 1990s and early 2000s were marked by economic growth and closer European integration. Greece adopted the euro in 2001 and hosted the 2004 Summer Olympics in Athens. These developments became symbols of the republic's European orientation and modernization, although weaknesses in public finances and economic competitiveness remained. The global financial crisis and the European sovereign-debt crisis then produced Greece's most severe political and social upheaval since the transition to democracy. Beginning in 2010, bailout programs and austerity measures generated unemployment, demonstrations, hardship, and sharp electoral realignment. PASOK and New Democracy lost much of their previous dominance, while SYRIZA became the principal force on the left. Alexis Tsipras became prime minister in 2015, leading governments formed outside the traditional PASOK–New Democracy alternation. Greece exited its bailout framework around 2018 and subsequently returned to growth, although the social and political effects of the crisis continued to shape public life. The later period included the Prespa Agreement with North Macedonia, the election of Katerina Sakellaropoulou as Greece's first female president in 2020, the COVID-19 pandemic, and renewed New Democracy victories under Prime Minister Kyriakos Mitsotakis. In 2024, Greece became the first predominantly Orthodox Christian country to legalize civil same-sex marriage and adoption by same-sex couples. The Third Hellenic Republic remains an active constitutional order rather than a commercial brand; its defining characteristics are parliamentary democracy, republican government, European integration, social liberalization, and periodic shifts in the party system.
History
The Third Hellenic Republic began in 1974 with the collapse of the Greek military junta. The immediate transition was led by Konstantinos Karamanlis, who returned from exile, formed a civilian government, and organized the first multiparty elections since 1964. The restoration of democratic politics followed the political trauma of dictatorship and the crisis surrounding the junta's intervention in Cyprus. The new order also resolved the question of the monarchy: a referendum held in December 1974 rejected restoration, while the Constitution of 1975 established the institutional framework of the republic. The first decades were marked by the consolidation of parliamentary democracy and the creation of a competitive party system. New Democracy represented the principal centre-right force, while Andreas Papandreou founded PASOK as a socialist and populist alternative. The Communist Party of Greece was again permitted to participate openly in elections. PASOK's electoral victory in 1981 ended the initial period of conservative dominance and introduced an extensive program of social reform, including civil marriage, abolition of the dowry system, and expanded access to education and healthcare. The period also brought controversy involving foreign policy, allegations of corruption, economic mismanagement, inflation, and chronic budget deficits. Foreign-policy and economic integration were central to the republic's development. Greece rejoined NATO in 1980 and entered the European Communities in 1981. European funds, industrial investment, infrastructure construction, tourism, shipping, and the services economy contributed to rising living standards. During the 1990s and early 2000s, New Democracy and PASOK generally dominated national politics, often receiving more than four-fifths of the combined vote. Greece adopted the euro in 2001 and presented itself as a fully integrated European state. Hosting the 2004 Athens Olympic Games reinforced that image, although the period's prosperity did not eliminate weaknesses in public finance, productivity, and competitiveness. The global financial crisis exposed those weaknesses. From 2010, Greece became the centre of a sovereign-debt emergency involving emergency lending, bailout arrangements, austerity measures, high unemployment, reduced household incomes, and sustained public protest. Because euro membership prevented currency devaluation, adjustment occurred largely through fiscal contraction, structural reform, and internal wage and price pressure. The crisis undermined the old PASOK–New Democracy pattern. PASOK suffered a dramatic decline, New Democracy also lost support, and SYRIZA emerged as the largest force on the left. Alexis Tsipras became prime minister after the January 2015 election and formed a coalition with the Independent Greeks. After resigning later that year, he returned to office following the September election. His government negotiated with European institutions, managed the crisis-era policy framework, and signed the Prespa Agreement with North Macedonia in 2018. Greece exited its bailout mechanisms around 2018 and experienced a return to growth, though the political and social consequences of austerity remained significant. New Democracy, led by Kyriakos Mitsotakis, won the 2019 election. The subsequent period included the COVID-19 pandemic, economic disruption, continued European and NATO engagement, and institutional debates over the direction of the state. In 2020 parliament elected Katerina Sakellaropoulou as the republic's first female president. In 2024 Greece enacted civil same-sex marriage and adoption by same-sex couples, a notable expansion of social rights. The supplied reference identifies Greece as joining the Three Seas Initiative in 2023 and lists Konstantinos Tasoulas as president from 2025. The Third Hellenic Republic therefore remains an ongoing political era characterized by democratic continuity, alternation in government, European integration, social change, and periodic institutional and economic crises.
- 2024
Same-sex marriage and adoption legalized
[1]Greece approved civil marriage and adoption rights for same-sex couples.
- 2020
First woman elected president
[1]Parliament elected Katerina Sakellaropoulou as Greece's first female president.
- 2019
New Democracy returns to government
[1]Kyriakos Mitsotakis became prime minister after New Democracy won the legislative election.
- 2018
Prespa Agreement
[1]The agreement with North Macedonia resolved the naming dispute between the two countries.
- 2015
SYRIZA-led government takes office
[1]Alexis Tsipras became prime minister after SYRIZA won the January legislative election.
- 2010
Sovereign-debt crisis begins
[1]Greece entered a prolonged debt and economic crisis that triggered bailout programs, austerity, political realignment, and widespread social protest.
- 2004
Athens Summer Olympics
[1]Greece hosted the Summer Olympic Games in Athens during the high point of its pre-crisis modernization period.
- 2001
Adoption of the euro
[1]Greece adopted the euro as its currency and joined the euro area's common monetary system.
- 1981
Entry into the European Communities
[1]Greece became the tenth member of the European Communities, reinforcing the republic's European orientation.
- 1980
Greece rejoins NATO
[1]Greece returned to NATO's military structure after the post-1974 period of withdrawal from its integrated command.
Products and positioning
A parliamentary European republic defined by democratic restoration after military rule, republican constitutionalism, European integration, and gradual social liberalization.
Controversies
Koskotas scandal
The Koskotas affair was among the corruption controversies associated with the governments of Andreas Papandreou and contributed to political instability during the late 1980s.
Yugoslav corn scandal
The Yugoslav corn affair was cited as another corruption-related controversy affecting the political reputation of the early republic.
Marketing campaigns
- 2004Athens Olympic Games
Greece · International
Hosting the 2004 Summer Olympics served as a national modernization and international-visibility project, supported by major infrastructure investment in Athens and elsewhere.
Outcome. The event projected Greece as a modern European state and became associated with the high point of the pre-sovereign-debt-crisis growth period.
Brand decisions
2024
Legalization of same-sex marriage and adoptionOtherBackground
The measure formed part of the republic's longer-term expansion of civil and social rights.
Action taken
Parliament legalized civil same-sex marriage and adoption by same-sex couples.
Aftermath
Greece became the first predominantly Orthodox Christian country to enact these rights.
2018
Prespa AgreementStrategyBackground
The naming dispute with the neighboring country then known internationally as the former Yugoslav Republic of Macedonia had strained bilateral relations.
Action taken
Greece and North Macedonia agreed on the latter's constitutional name and associated diplomatic arrangements.
Aftermath
Bilateral relations improved and North Macedonia's route toward EU and NATO membership was eased.
2001
Adoption of the euroStrategyBackground
Greece deepened its participation in European integration and replaced the drachma with the common European currency.
Action taken
The euro became Greece's currency.
Aftermath
Monetary integration supported European alignment but removed the option of national currency devaluation during the later debt crisis.
1981
European Communities accessionStrategyBackground
The republic sought a durable European orientation after the restoration of democracy.
Action taken
Greece joined the European Communities as their tenth member.
Aftermath
European funding, integration, and access to common institutions supported subsequent economic development.
1974
Establishment of the post-junta republican orderStrategyBackground
The collapse of military rule required the restoration of democratic institutions and a decision on whether Greece would retain or restore its monarchy.
Action taken
A referendum rejected the monarchy, followed by constitutional reconstruction under the 1975 Constitution.
Aftermath
Greece entered its current period of parliamentary republican government.
Sources1 sources
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