20:
278:
315:
217:
241:
265:
335:
370:
186:
181:
176:
171:
166:
160:
154:
149:
144:
139:
134:
360:
295:
123:
118:
113:
108:
103:
93:
88:
83:
78:
73:
8:
33:
339:
299:
282:
245:
221:
319:
53:
269:
365:
354:
41:
214:
45:
25:
238:
19:
262:
201:
This category has the following 7 subcategories, out of 7 total.
57:
292:
49:
62:
37:
15:
68:
352:
60:concluded or entered into force in the year
279:Courts and tribunals established in 1820
353:
196:
13:
203:
195:
14:
382:
18:
1:
316:Law firms established in 1820
7:
10:
387:
31:
218:1820 in American law
242:1820 in British law
378:
341:
321:
301:
294:
284:
271:
266:1820 in case law
264:
247:
240:
223:
216:
28:
23:
22:
386:
385:
381:
380:
379:
377:
376:
375:
351:
350:
349:
348:
347:
346:
343:
342:
326:
323:
322:
306:
303:
302:
291:
286:
285:
273:
272:
261:
252:
249:
248:
237:
228:
225:
224:
213:
194:
193:
192:
191:
129:
128:
67:
54:legal treatises
24:
17:
12:
11:
5:
384:
374:
373:
368:
363:
345:
344:
334:
333:
330:
327:
325:
324:
314:
313:
310:
307:
305:
304:
290:
289:
287:
277:
276:
274:
260:
259:
256:
253:
251:
250:
236:
235:
232:
229:
227:
226:
212:
211:
208:
205:
204:
199:
190:
189:
184:
179:
174:
169:
164:
157:
152:
147:
142:
137:
131:
130:
127:
126:
121:
116:
111:
106:
101:
96:
91:
86:
81:
76:
70:
69:
30:
29:
9:
6:
4:
3:
2:
383:
372:
369:
367:
364:
362:
359:
358:
356:
337:
336:1820 treaties
332:
331:
328:
317:
312:
311:
308:
297:
293:
288:
280:
275:
267:
263:
258:
257:
254:
243:
239:
234:
233:
230:
219:
215:
210:
209:
206:
202:
198:Subcategories
197:
188:
185:
183:
180:
178:
175:
173:
170:
168:
165:
163:
162:
158:
156:
153:
151:
148:
146:
143:
141:
138:
136:
133:
132:
125:
122:
120:
117:
115:
112:
110:
107:
105:
102:
100:
97:
95:
92:
90:
87:
85:
82:
80:
77:
75:
72:
71:
65:
64:
59:
56:written, and
55:
51:
47:
43:
42:constitutions
39:
35:
27:
21:
16:
371:1820s in law
200:
159:
98:
61:
361:Law by year
296:1820 crimes
52:committed,
46:court cases
355:Categories
246:(2 C, 2 P)
222:(3 C, 4 P)
26:Law portal
48:decided,
44:enacted,
58:treaties
34:category
36:is for
50:crimes
340:(5 P)
320:(1 P)
300:(3 C)
283:(5 P)
270:(1 C)
187:1870s
182:1860s
177:1850s
172:1840s
167:1830s
161:1820s
155:1810s
150:1800s
145:1790s
140:1780s
135:1770s
32:This
366:1820
124:1825
119:1824
114:1823
109:1822
104:1821
99:1820
94:1819
89:1818
84:1817
79:1816
74:1815
63:1820
40:and
38:laws
357::
338:
318:
298:
281:
268:
244:
220:
329:T
309:L
255:C
231:B
207:A
66:.
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