• Resistance against the Nazi regime
• Organizations of the Nazi dictatorship
• Warfare
• Anti-Semitism
• Policy toward Jews
• Hitler’s personality
• Broad internal and external policies of the “Third Reich”
• Relationship of political institutionalization and social anchoring of Europe
• Economic, social, and cultural interactions
• History of the EEC, EC, and EU
• Fascism in Europe (1918 - 1945)
• Dealing with National Socialism
• Fascism and collaboration in Europe after 1945
• History of the GDR
• Historical terrorism research
• History of memories of the Second World War

• Discontinued “peaceful revolution” in the GDR 1989/90
• General orientation, changes, the rise and collapse of socialism in the 20th century
• History and politics of the GDR and problems in achieving German unification
• History of Eastern Europe in 1917 and 1944/45 to 1990/91

• History of philosophy, especially Kant and Hegel
• Metaphysics
• Epistemology
• Philosophy of Mind (in part also theory of feelings, especially gratitude and conscience)

History and Cultural History:

• International history
• North American history
• Modern history, 19th  - 21st century
• History of the USA: Culture, history, politics, diplomacy

Politics and Society:

• US foreign policy
• Transatlantic relations
• Humanitarian intervention
• Nation branding — self-projection and performance of nations
• Public diplomacy / cultural diplomacy

Culture and Media:

• Emotions / history of emotions
• Media history
• Music history

Continents and Regions:

• USA, North America
• Transatlantic relations
• History of US-Japanese relations

• History of medical practices and techniques in the 19th and 20th centuries
• History of biological drugs and drug regulation
• Cultural history of psychiatry
• History of medicine
• History of medicine in Berlin

• History of knowledge
• History of science
• East Asia
• Colonialism
• Decolonization
• Cold War

• History of Berlin
• Public history
• Babylon Berlin (television series)
• History in film and television
• Gentrification
• History of the GDR

• History of World War I
• History of Italy in the 19th and 20th centuries

• Cultural history of the United States
• Alltagsgeschichte (history from below)
• History of New York
• Slavery in the United States of America
• African American history
• Gender history
• Political productions and rituals
• Rumors

• Overseas France, Indian Ocean Islands, and the Caribbean
• Saarland, Lorraine, and Luxembourg
• France
• Belgium
• Scandinavia
• Creole languages, languages of the Caribbean and the Indian Ocean region
• Multilingualism and language policy
• Dialects, minority languages, regional languages
• Critique of language, linguistic purism, language ideology
• Racism
• Colonialism and postcolonial societies

• African American studies
• Gender studies
• Popular culture
• History of the mass media
• Pop music

• Culture of emotions
• Satire, irony, comedy
• German-Jewish contemporary literature
• Modern poetry
• Theater of the Enlightenment
• Neurocognitive poetics

• Intellectual history and history of science
• Media history and history of modern sensory perception
• History of popular culture
• Urban history
• Theory of history

• Contemporary German history
• German society and politics in historical and contemporary dimensions
• Democracy, past and present
• Transformation of the political party system, elections, and social milieus

• Nazi forced labor
• Oral history archive
• Oral history
• Digital humanities
• Educational programs

• Debates about the concept of "Heimat"
• German regional literature and films
• "Heimat" and propaganda
• "Heimat" and criticism of progress
• "Heimat" vs. environment
• "Heimat" as a European phenomenon
• International student exchange (international students in the German school system)

• History of the CDU in West and East (Germany)
• Exodus and expulsion at the end of World War II
• Displacement, forced migration, and deportation in the 20th century

• French and German-French history since 1789
• Study of French and German history since Voltaire and Ranke, but particularly after 1918
• Marc Bloch, Fernand Braudel, and the historical school of thought of the 'Annales'

• Economics of the labor market 
• Political economics 
• Economics of migration 
• U.S. economic policy 

• Semitic languages
• Arabic and Arabic dialectology (i.e., Syria, Iraq, Turkey)
• Aramaic languages in the Near East and in Europe
• Oriental Christians, past and present
• Christian-Muslim coexistence in the Near East
• Ethnic group of Arameans, Assyrians, Chaldeans
• Coexistence of Kurds and Syrian-Aramaic Christians (Turkey, Syria, Iraq)

• Social, political, and economic aspects of the processes in Eastern Europe
• Southeastern Europe / former Yugoslavia
• Privatization
• Informality and neo-feudalism
• Parties and political elites in transformation
• Transboundary cooperation in border regions of the EU
• Religion and society
• Religion and politics

• World War I and World War II
• U.S. national security policy from 1917 to 2010
• Occupation in Germany and Berlin by the U.S. Armed Forces
• Stationing of U.S. forces in the Federal Republic of Germany
• U.S. Department of Defense
• Military tradition in the U.S.
• Political cabaret

• Transformation of democracy
• Protest and democratic theory
• Constitution of political orders
• Critical theory
• Philosophy of Hannah Arendt
• Coming to terms with the past and memory culture

• Culture and history of modern Japan
• Intellectual history of East Asia
• International relations of East Asia
• Relations between Japan and China
• Law in East Asia
• Human rights in East Asia