Learning & history subreddits

Life, culture, and history of the 1920s.

Nostalgia and culture from the 1990s.

The US Air Force: service and questions.

American history discussion.

Ancient Egypt: history, archaeology, and discussion.

Ancient Greece: history and discussion.

Ancient history: civilisations, sources, and discussion.

Ancient Rome: history and discussion.

Learn Arabic: questions and practice.

Archaeology news and discussion.

Archaeology: finds and research.

The US Army: service and questions.

Questions about academic life and careers.

History questions answered by verified experts.

Questions about history.

Questions answered by social scientists.

Correcting bad history.

Paintings of battles and other important moments in history.

Photos of borders between countries.

The Canadian Armed Forces.

Castles from around the world.

The Chernobyl disaster and the exclusion zone.

Learn Chinese: questions and practice.

Learn Chinese: Mandarin questions, practice, and resources.

College life and advice.

Colourised historical photos.

Constructed languages and how to make them.

Words and phrases that don't translate into English.

Learning languages with Duolingo.

Education: teaching, learning, and policy.

GIFs that teach something.

The Esperanto language.

Where words come from.

Simple explanations of complicated things.

Thought-provoking reading.

Learn French: grammar, vocabulary, and practice.

The Irish language (Gaeilge).

Researching your family history.

Geography questions and discussion.

Practise German with others.

Study help and motivation.

Graduate school admissions.

Graduate school: research, advisors, and life.

Grammar questions answered.

Higher education: universities and policy.

Alternate history questions.

Discussion of history from any period.

Historical photos with context about the moment they show.

Homeschooling: curriculum and support.

Get help with your homework.

Informative infographics on any topic.

Irish history from ancient times to today.

Ask how to learn new skills.

Learn Japanese: grammar, kanji, and practice.

Learn Korean: grammar, vocabulary, and practice.

Language and linguistics.

Learning languages: methods, resources, and motivation.

Learning Latin: grammar, translation, and texts.

Learning a new language.

Learn Japanese: resources and practice.

Learn Spanish: resources and practice.

Recorded lectures on many subjects.

Linguistics: the science of language.

Interesting and unusual words.

The constructed language Lojban.

Preparing for the LSAT law school exam.

Interesting and informative maps.

Interesting maps and cartography.

Medical school: studying, exams, and life.

Medieval history and the Middle Ages.

Mesoamerican history and cultures.

Military discussion.

Questions about joining the military.

The history of warfare and militaries.

Photos of military equipment and personnel.

Museums and their collections.

Discussion about navies and naval service.

Norse history, mythology, and culture.

Old and historic maps.

Cool photos from the past.

Learning online: courses and resources.

Then-and-now photos of the same place.

US presidents and their history.

Historical propaganda posters.

Propaganda posters from around the world.

Learning the Russian language.

Learn Russian with lessons and practice.

Photos and stories of shipwrecks.

Shipwrecks: history and photos.

Social science research and discussion.

Sociology discussion.

Learn Spanish: grammar questions, practice, and resources.

TED talks: discussion and recommendations.

TED Talks: discussion and recommendations.

Old photos showing everyday life in the past.

Events that happened on this day in history.

Interesting facts people just learned.

Ask for translations between languages.

British history from Roman times to today.

Unsolved mysteries and cold cases.

The American Civil War.

US history from colonial times to today.

The US Marine Corps.

For military veterans.

Flags: design, history, and discussion.

Building your vocabulary.

Photos of warships from all eras.

Interesting Wikipedia articles.

World history discussion.

Photos from World War II.