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All periods

250 periods

#					Patterns
1	Neo-Assyrian Empire	883–824 BCE	Middle East	Autocracy	MilExpAuth
2	Egypt	850–750 BCE	Middle East	Autocracy	SuccImpInst
3	Western Zhou	850–771 BCE	East Asia	Autocracy	ImpSuccInst
4	Urartu	850–800 BCE	Middle East	Autocracy	ExpMilStab
5	Kingdom of Israel	850–800 BCE	Middle East	Autocracy	ImpExpSucc
6	Kingdom of Judah	850–800 BCE	Middle East	Autocracy	StabDem
7	Tyre	850–800 BCE	Middle East	Autocracy	StabDem
8	Elam	850–800 BCE	Middle East	Autocracy	ExpMilImp
9	Carthage	814–750 BCE	Mediterranean	Hybrid Regime	DemStab
10	Kingdom of Kush	800–730 BCE	Africa	Autocracy	MilExpRival
11	Persian Empire	550–330 BCE	Middle East	Autocracy	ExpMilStab
12	Sparta	490–371 BCE	Mediterranean	Hybrid Regime	MilExpDem
13	Athens	461–322 BCE	Mediterranean	Democracy	DemExpMil
14	Carthage	450–350 BCE	Mediterranean	Hybrid Regime	ExpMilDem
15	Roman Republic	450–390 BCE	Mediterranean	Hybrid Regime	ExpMilDem
16	Nanda Empire	450–345 BCE	South Asia	Autocracy	MilExpRival
17	Syracuse	405–367 BCE	Mediterranean	Hybrid Regime	MilExpPers
18	State of Qin	361–338 BCE	East Asia	Autocracy	MilExpStab
19	Macedon	359–336 BCE	Mediterranean	Autocracy	MilExpImp
20	Maurya Empire	322–185 BCE	South Asia	Autocracy	MilExpRival
21	Han Dynasty	206 BCE–220 CE	East Asia	Autocracy	MilExpRival
22	Seleucid Empire	150–63 BCE	Middle East	Autocracy	ImpInstSucc
23	Xiongnu	120–60 BCE	Central Asia	Autocracy	ExpMilImp
24	Pontus	120–63 BCE	Middle East	Autocracy	ExpMilImp
25	Parthian Empire	100 BCE–1 CE	Middle East	Autocracy	ExpMilImp
26	Gaul	100–52 BCE	Western Europe	Autocracy	ImpExpSucc
27	Armenia	95–55 BCE	Middle East	Autocracy	ExpMilImp
28	Roman Republic	80–44 BCE	Mediterranean	Hybrid Regime	MilRevExp
29	Ptolemaic Egypt	80–30 BCE	Middle East	Autocracy	ImpSuccInst
30	Roman Empire	27 BCE–14 CE	Mediterranean	Autocracy	StabRivalMil
31	Funan	300–400 CE	Southeast Asia	Autocracy	StabDem
32	Sasanian Empire	309–379 CE	Middle East	Autocracy	ExpMilImp
33	Eastern Jin	317–420 CE	East Asia	Autocracy	ImpSuccInst
34	Gupta Empire	320–380 CE	South Asia	Autocracy	MilExpRival
35	Himyar	320–380 CE	Middle East	Autocracy	ExpDemMil
36	Tikal	320–380 CE	Central America	Autocracy	ImpExpMil
37	Roman Empire	324–361 CE	Mediterranean	Autocracy	MilExpAuth
38	Kingdom of Aksum	330–370 CE	Africa	Autocracy	MilExpDem
39	Armenia	330–370 CE	Middle East	Autocracy	ImpExpSucc
40	Gothic Confederation	340–370 CE	Eastern Europe	Autocracy	ExpImpMil
41	Byzantium	527–565	Mediterranean	Autocracy	ExpMilStab
42	Visigothic Kingdom	600–711 CE	Southern Europe	Autocracy	ImpSuccInst
43	Tang Dynasty	618–755	East Asia	Autocracy	StabMilRival
44	Arab Caliphate	632–750	Middle East	Autocracy	ExpMilImp
45	Srivijaya	650–750 CE	Southeast Asia	Autocracy	DemStabRival
46	Khazar Khaganate	650–750 CE	Eastern Europe	Autocracy	ExpMilImp
47	Unified Silla	668–780 CE	East Asia	Autocracy	StabDemRival
48	Frankish Kingdom	687–751 CE	Western Europe	Autocracy	ExpMilImp
49	Nara Japan	710–784 CE	East Asia	Autocracy	SuccDem
50	Abbasid Caliphate	786–833	Middle East	Autocracy	MilRivalExp
51	Ghana Empire	950–1050 CE	Africa	Autocracy	SuccMilRival
52	Song Dynasty	960–1127	East Asia	Autocracy	StabExpMil
53	Fatimid Caliphate	969–1071 CE	Middle East	Autocracy	ExpMilImp
54	Kievan Rus	980–1054 CE	Eastern Europe	Autocracy	ImpSuccExp
55	Holy Roman Empire	983–1024 CE	Central Europe	Autocracy	SuccImpExp
56	Chola Empire	985–1070 CE	South Asia	Autocracy	MilExpRival
57	Ghaznavid Empire	998–1040 CE	Central Asia	Autocracy	MilExpImp
58	Kingdom of Hungary	1000–1038 CE	Central Europe	Autocracy	StabDemRival
59	Khmer Empire	1000–1050 CE	Southeast Asia	Autocracy	MilExpRival
60	Byzantium	1025–1071	Mediterranean	Autocracy	ImpExpMil
61	Southern Song	1127–1279 CE	East Asia	Autocracy	ExpMilImp
62	Ayyubid Sultanate	1171–1250 CE	Middle East	Autocracy	ExpMilImp
63	Kamakura Japan	1185–1333 CE	East Asia	Autocracy	MilRivalExp
64	Novgorod Republic	1200–1300 CE	Eastern Europe	Hybrid Regime	DemExpMil
65	Empire of Nicaea	1204–1261 CE	Mediterranean	Autocracy	ExpMilStab
66	Mongol Empire	1206–1279	Central Asia	Autocracy	MilExpImp
67	Delhi Sultanate	1206–1290 CE	South Asia	Autocracy	MilExpImp
68	Holy Roman Empire	1220–1250 CE	Central Europe	Autocracy	ImpSuccExp
69	France	1226–1270 CE	Western Europe	Autocracy	ExpMilDem
70	Mali Empire	1235–1300 CE	Africa	Autocracy	MilRivalSucc
71	Ming Dynasty	1402–1435	East Asia	Autocracy	StabMilRival
72	Aztec Empire	1428–1519 CE	Central America	Autocracy	MilExpImp
73	Florence	1434–1494 CE	Mediterranean	Hybrid Regime	Dem
74	Inca Empire	1438–1533 CE	South America	Autocracy	MilExpStab
75	Republic of Venice	1450–1500	Mediterranean	Hybrid Regime	DemExpMil
76	France	1461–1483 CE	Western Europe	Autocracy	ExpMilImp
77	Songhai Empire	1464–1528 CE	Africa	Autocracy	MilExpImp
78	Spain	1479–1516 CE	Southern Europe	Autocracy	MilExpRival
79	Ottoman Empire	1520–1566	Middle East	Autocracy	MilExpStab
80	Mughal Empire	1556–1605	South Asia	Autocracy	MilExpRival
81	Dutch Republic	1600–1672	Western Europe	Hybrid Regime	DemExpMil
82	Tokugawa Japan	1603–1720	East Asia	Autocracy	StabRivalPers
83	Mughal Empire	1658–1707 CE	South Asia	Autocracy	ExpMilImp
84	Qing Dynasty	1662–1722	East Asia	Autocracy	StabRivalMil
85	Safavid Persia	1666–1722 CE	Middle East	Autocracy	ImpInstSucc
86	Russia	1682–1725 CE	Eastern Europe	Autocracy	MilExpAuth
87	Great Britain	1688–1727 CE	Western Europe	Hybrid Regime	DemExpMil
88	Sweden	1697–1721 CE	Northern Europe	Autocracy	ExpMilImp
89	Habsburg Monarchy	1700–1740 CE	Central Europe	Autocracy	ExpMilImp
90	France	1715–1723	Western Europe	Autocracy	EconSuccDem
91	Maratha Confederacy	1720–1761 CE	South Asia	Autocracy	ExpMilImp
92	France	1723–1774 CE	Western Europe	Autocracy	ExpImpMil
93	Russian Empire	1725–1762	Eastern Europe	Autocracy	ImpMilExp
94	Great Britain	1727–1760 CE	Western Europe	Hybrid Regime	DemExpMil
95	Ottoman Empire	1730–1774 CE	Middle East	Autocracy	ImpExpMil
96	Poland–Lithuania	1733–1772 CE	Eastern Europe	Hybrid Regime	InstRevImp
97	Qing Dynasty	1735–1796 CE	East Asia	Autocracy	MilStabExp
98	Prussia	1740–1786	Central Europe	Autocracy	MilExpStab
99	Habsburg Monarchy	1740–1780 CE	Central Europe	Autocracy	ExpMilDem
100	Spain	1759–1788 CE	Southern Europe	Autocracy	StabMilDem
101	Russia	1762–1796	Eastern Europe	Autocracy	ExpMilImp
102	Great Britain	1783–1815	Western Europe	Hybrid Regime	ExpMilDem
103	Spain	1788–1814	Southern Europe	Autocracy	ImpExpInst
104	France	1789–1799	Western Europe	Hybrid Regime	ExpMilDem
105	United States	1789–1815	North America	Hybrid Regime	Dem
106	Qajar Persia	1789–1834	Middle East	Autocracy	ImpExpSucc
107	Ottoman Empire	1789–1808	Middle East	Autocracy	ImpExpMil
108	Haiti	1791–1804	Central America	Hybrid Regime	ExpMilEcon
109	Prussia	1797–1815	Central Europe	Autocracy	ExpMilImp
110	France	1799–1815	Western Europe	Autocracy	ExpMilAuth
111	Ireland	1801–1922	Western Europe	Autocracy	EconRev
112	Egypt	1805–1848	Middle East	Autocracy	MilExpRival
113	Ottoman Empire	1808–1839	Middle East	Autocracy	ExpImpMil
114	United Kingdom	1815–1837	Western Europe	Hybrid Regime	Dem
115	France	1815–1848	Western Europe	Hybrid Regime	DemImpRev
116	Gran Colombia	1819–1831	South America	Hybrid Regime	InstRevMil
117	Qing Dynasty	1820–1860	East Asia	Autocracy	ImpEconExp
118	Mexico	1821–1848	Central America	Hybrid Regime	InstRevExp
119	Brazil	1822–1850	South America	Autocracy	DemRevImp
120	Russia	1825–1855	Eastern Europe	Autocracy	MilExpAuth
121	Dutch East Indies	1830–1942	Southeast Asia	Autocracy	EconStab
122	Switzerland	1848–1914	Central Europe	Democracy	DemStabRival
123	Russia	1855–1894	Eastern Europe	Autocracy	MilExpAuth
124	British India	1858–1947	South Asia	Autocracy	EconStab
125	United States	1860–1865	North America	Hybrid Regime	DemRivalRev
126	Qing Dynasty	1861–1895	East Asia	Autocracy	ImpExpSucc
127	United States	1865–1898	North America	Hybrid Regime	Dem
128	Japan	1868–1912	East Asia	Hybrid Regime	MilExpRival
129	British Empire	1868–1901	Western Europe	Hybrid Regime	DemRivalStab
130	France	1870–1900	Western Europe	Democracy	DemMilRival
131	French Algeria	1870–1954	Africa	Hybrid Regime	DemRevEcon
132	Germany	1871–1890	Central Europe	Hybrid Regime	RivalDemStab
133	Ottoman Empire	1876–1909	Middle East	Autocracy	ExpAuthEcon
134	Egypt	1882–1922	Middle East	Autocracy	Econ
135	German South West Africa	1884–1915	Africa	Autocracy	MilExpAuth
136	Congo Free State	1885–1908	Africa	Autocracy	EconAuthRev
137	Portuguese Angola	1885–1961	Africa	Autocracy	EconStabAuth
138	French Indochina	1887–1945	Southeast Asia	Autocracy	EconStab
139	Ethiopia	1889–1906	Africa	Autocracy	ExpMilImp
140	Germany	1890–1914	Central Europe	Hybrid Regime	MilExpRival
141	New Zealand	1890–1914	Oceania	Democracy	DemStab
142	United States	1898–1917	North America	Hybrid Regime	DemStabRival
143	Philippines	1898–1946	Southeast Asia	Autocracy	StabEcon
144	Austria-Hungary	1900–1918	Central Europe	Autocracy	ExpMilEcon
145	France	1900–1914	Western Europe	Democracy	DemExpMil
146	British Empire	1901–1914	Western Europe	Hybrid Regime	DemExpMil
147	Australia	1901–1914	Oceania	Hybrid Regime	DemStabRival
148	Russia	1905–1917	Eastern Europe	Hybrid Regime	ExpImpSucc
149	Japan	1905–1918	East Asia	Hybrid Regime	MilExpRival
150	Norway	1905–1914	Northern Europe	Democracy	DemStab
151	Ottoman Empire	1908–1918	Middle East	Hybrid Regime	ExpMilRev
152	Belgian Congo	1908–1960	Africa	Autocracy	StabEcon
153	Mexico	1910–1920	Central America	Hybrid Regime	InstRevMil
154	Korea	1910–1945	East Asia	Autocracy	AuthMilStab
155	China	1911–1916	East Asia	Hybrid Regime	InstRevEcon
156	Germany	1918–1923	Western Europe	Democracy	DemRev
157	United Kingdom	1918–1931	Western Europe	Democracy	DemStabEcon
158	Japan	1918–1931	East Asia	Hybrid Regime	MilExpRival
159	Poland	1918–1935	Eastern Europe	Hybrid Regime	ExpMilEcon
160	Czechoslovakia	1918–1938	Central Europe	Democracy	DemExpMil
161	France	1919–1932	Western Europe	Democracy	DemEconExp
162	USSR	1921–1928	Eastern Europe	Autocracy	AuthSuccPers
163	Italy	1922–1929	Southern Europe	Autocracy	PersAuthExp
164	Turkey	1923–1938	Middle East	Autocracy	PersStabAuth
165	China	1927–1937	East Asia	Autocracy	ExpMilRev
166	United States	1929–1939	North America	Hybrid Regime	DemRival
167	USSR	1929–1953	Eastern Europe	Autocracy	PersAuthMil
168	Japan	1931–1945	East Asia	Autocracy	ExpMilSucc
169	Sweden	1932–1976	Northern Europe	Democracy	DemStabRival
170	Chile	1932–1973	South America	Democracy	DemEconRev
171	Germany	1933–1939	Western Europe	Autocracy	ExpPersAuth
172	Portugal	1933–1974	Southern Europe	Autocracy	StabPersAuth
173	Spain	1936–1945	Southern Europe	Autocracy	PersAuthMil
174	Italy	1936–1943	Southern Europe	Autocracy	ExpMilPers
175	China	1937–1945	East Asia	Autocracy	ExpMilEcon
176	Brazil	1937–1945	South America	Autocracy	PersAuthStab
177	United Kingdom	1939–1945	Western Europe	Democracy	ExpMilStab
178	Canada	1939–1945	North America	Democracy	DemExpMil
179	Sweden	1939–1945	Northern Europe	Democracy	DemStabRival
180	France	1940–1944	Western Europe	Autocracy	ExpEconPers
181	United States	1941–1945	North America	Hybrid Regime	ExpMilDem
182	Yugoslavia	1945–1980	Southern Europe	Autocracy	PersAuthRival
183	United States	1945–1968	North America	Hybrid Regime	MilExpDem
184	France	1946–1968	Western Europe	Democracy	ExpMilDem
185	India	1947–1966	South Asia	Democracy	DemEcon
186	South Africa	1948–1994	Africa	Hybrid Regime	MilRevExp
187	East Germany	1949–1989	Central Europe	Autocracy	AuthStabPers
188	West Germany	1949–1990	Western Europe	Democracy	DemStabRival
189	China	1949–1965	East Asia	Autocracy	EconAuthPers
190	Costa Rica	1949–2024	Central America	Democracy	DemStab
191	Egypt	1952–1970	Middle East	Autocracy	PersExpMil
192	USSR	1953–1964	Eastern Europe	Autocracy	MilExpRival
193	Japan	1955–1972	East Asia	Democracy	DemStab
194	Ghana	1957–1966	Africa	Hybrid Regime	PersAuthEcon
195	Cuba	1959–2006	Central America	Autocracy	PersAuthStab
196	USSR	1964–1982	Eastern Europe	Autocracy	MilExpRival
197	China	1966–1976	East Asia	Autocracy	PersAuthRev
198	Indonesia	1966–1998	Southeast Asia	Autocracy	PersAuthMil
199	Botswana	1966–2024	Africa	Democracy	DemStab
200	United States	1968–1980	North America	Democracy	DemMilExp
201	United Kingdom	1970–1979	Western Europe	Democracy	DemEcon
202	Japan	1972–1989	East Asia	Democracy	DemStab
203	Chile	1973–1990	South America	Autocracy	AuthPersRival
204	Democratic Kampuchea	1975–1979	Southeast Asia	Autocracy	EconAuthPers
205	Argentina	1976–1983	South America	Autocracy	EconMilAuth
206	Iran	1977–1979	Middle East	Autocracy	EconRivalOpen
207	China	1978–1989	East Asia	Autocracy	AuthPersStab
208	Iraq	1979–2003	Middle East	Autocracy	ExpMilPers
209	Iran	1979–2024	Middle East	Hybrid Regime	AuthEconMil
210	United Kingdom	1979–1990	Western Europe	Democracy	DemStabEcon
211	Poland	1980–1989	Eastern Europe	Autocracy	EconRevAuth
212	United States	1981–1989	North America	Democracy	DemMilExp
213	Spain	1982–1996	Southern Europe	Democracy	DemStab
214	USSR	1983–1989	Eastern Europe	Autocracy	ExpPersMil
215	South Korea	1987–2024	East Asia	Democracy	DemRivalStab
216	Serbia	1989–2000	Southern Europe	Hybrid Regime	ExpEconMil
217	Rwanda	1990–1994	Africa	Autocracy	RevMilExp
218	Germany	1990–2005	Central Europe	Democracy	DemStabEcon
219	Mongolia	1990–2024	Central Asia	Democracy	Dem
220	Russia	1991–1999	Eastern Europe	Hybrid Regime	EconRevInst
221	Ghana	1992–2024	Africa	Democracy	DemStabEcon
222	United States	1993–2001	North America	Democracy	DemRivalStab
223	China	1993–2004	East Asia	Autocracy	StabAuthPers
224	North Korea	1994–2024	East Asia	Autocracy	PersAuthEcon
225	South Africa	1994–2008	Africa	Democracy	DemEcon
226	Taiwan	1996–2024	East Asia	Democracy	DemExpRival
227	Indonesia	1998–2004	Southeast Asia	Hybrid Regime	EconRevInst
228	India	1998–2009	South Asia	Democracy	Dem
229	Venezuela	1999–2024	South America	Hybrid Regime	EconPersAuth
230	Turkey	2002–2011	Middle East	Hybrid Regime	PersRev
231	Germany	2005–2024	Western Europe	Democracy	DemStab
232	Thailand	2006–2014	Southeast Asia	Hybrid Regime	RevInst
233	France	2007–2024	Western Europe	Democracy	DemStab
234	United States	2008–2024	North America	Democracy	ExpDemRival
235	Greece	2009–2018	Southern Europe	Democracy	EconDemRev
236	Russia	2010–2024	Eastern Europe	Hybrid Regime	PersRevMil
237	Hungary	2010–2024	Central Europe	Hybrid Regime	Rev
238	United Kingdom	2010–2016	Western Europe	Democracy	DemEcon
239	Egypt	2011–2014	Middle East	Hybrid Regime	RevEconInst
240	Syria	2011–2019	Middle East	Autocracy	EconMilExp
241	Brazil	2011–2016	South America	Democracy	DemEconRev
242	Tunisia	2011–2019	Africa	Democracy	DemEconRev
243	China	2012–2024	East Asia	Autocracy	PersAuthStab
244	Turkey	2013–2023	Middle East	Hybrid Regime	RevPersInst
245	Ukraine	2013–2015	Eastern Europe	Hybrid Regime	EconExpMil
246	India	2014–2024	South Asia	Hybrid Regime	Rev
247	Poland	2015–2023	Eastern Europe	Hybrid Regime	RevPers
248	Saudi Arabia	2015–2024	Middle East	Autocracy	AuthMilStab
249	Philippines	2016–2022	Southeast Asia	Hybrid Regime	PersAuthRev
250	Brazil	2019–2022	South America	Democracy	RevDemEcon

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