Juyin Juya Hali
Juyin juya hali canji ne mai kaifi da ake yi don wata manufa. Kalmar ta fito daga Latin, kuma tana da alaƙa da kalmar revolutio (wanda ke nufin juyawa ).

Juyin juya hali galibi siyasa ce a cikin yanayin su. Wasu mutane ba sa jin daɗin rayuwarsu, wasu ba sa farin ciki da dukan tsarin siyasar. Suna iya haɗuwa tare, raba ra'ayoyinsu, kuma canza abu. Sau da yawa, juyin juya halin ya haɗa da faɗa, da kuma tashin hankalin jama'a. Amma akwai kuma juyin juya halin da ke faruwa ba tare da faɗa ba.

Juyin juya halin Sobiyat ne ya haifar da Taraiyar Sobiyat wanda aka kashe miliyoyin mutane, kuma daga baya ya faɗi warwas a cikin rikice-rikice ba tare da yaƙe-yaƙe ba. Amma a cikin Juyin Juya Halin Faransa (1789), an zubar da jini sosai. Shekarun dama bayan wannan juyin juya halin a Faransa galibi ana kiransa da Sarautar Ta'addanci .

Sauran al'amuran da ake kira "juyin juya hali" sun haɗa da:

 Juyin Juya Halin Amurka
 Canji daga al'ummar agrarian zuwa masana'antar: Juyin Masana'antu (1750).
 Sauyawa daga Industrialungiyar Masana'antu zuwa Matsayi na Masana'antu:
 The Cybernetic Revolution (1960- Yanzu).
 Canji daga ƙugiyar kwaminisanci zuwa ta Jari-hujja: Perestroika a tsohuwar USSR (1990-2000).
 Juyin mulkin Neolithic

Tunanin adawa a siyasa ana kiransa ' sannu-sannu '.
Rikici