20:
48:
34:
538:
182:
176:
170:
165:
528:
498:
139:
134:
129:
124:
119:
109:
104:
99:
94:
89:
426:
409:
392:
375:
358:
341:
324:
307:
290:
273:
249:
232:
474:
450:
533:
523:
25:
61:
39:
517:
72:
53:
502:
478:
454:
430:
413:
396:
379:
362:
345:
328:
311:
294:
277:
236:
253:
47:
15:
66:
217:
This category has the following 15 subcategories, out of 15 total.
78:
84:
8:
539:20th-century disasters in North America
7:
529:Disasters in North America by decade
499:1970s disasters in the United States
495:
471:
447:
423:
406:
389:
372:
355:
338:
321:
304:
287:
270:
246:
229:
219:
211:
14:
46:
32:
18:
427:1979 disasters in North America
410:1978 disasters in North America
393:1977 disasters in North America
376:1976 disasters in North America
359:1975 disasters in North America
342:1974 disasters in North America
325:1973 disasters in North America
308:1972 disasters in North America
291:1971 disasters in North America
274:1970 disasters in North America
1:
250:1970s floods in North America
233:1970s fires in North America
555:
59:
475:1970s disasters in Mexico
451:1970s disasters in Canada
534:1970s in North America
26:North America portal
546:
504:
497:
480:
473:
456:
449:
432:
425:
415:
408:
398:
391:
381:
374:
364:
357:
347:
340:
330:
323:
313:
306:
296:
289:
279:
272:
255:
248:
238:
231:
204:
199:
194:
189:
162:
157:
152:
56:
51:
50:
42:
37:
36:
35:
28:
23:
22:
21:
554:
553:
549:
548:
547:
545:
544:
543:
524:1970s disasters
514:
513:
512:
511:
510:
509:
506:
505:
494:
485:
482:
481:
470:
461:
458:
457:
446:
437:
434:
433:
422:
417:
416:
405:
400:
399:
388:
383:
382:
371:
366:
365:
354:
349:
348:
337:
332:
331:
320:
315:
314:
303:
298:
297:
286:
281:
280:
269:
260:
257:
256:
245:
240:
239:
228:
210:
209:
208:
207:
202:
197:
192:
187:
160:
155:
150:
145:
144:
83:
52:
45:
38:
33:
31:
24:
19:
17:
12:
11:
5:
552:
550:
542:
541:
536:
531:
526:
516:
515:
508:
507:
493:
492:
489:
486:
484:
483:
469:
468:
465:
462:
460:
459:
445:
444:
441:
438:
436:
435:
421:
420:
418:
404:
403:
401:
387:
386:
384:
370:
369:
367:
353:
352:
350:
336:
335:
333:
319:
318:
316:
302:
301:
299:
285:
284:
282:
268:
267:
264:
261:
259:
258:
244:
243:
241:
227:
226:
223:
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220:
215:
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206:
205:
200:
195:
190:
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173:
168:
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158:
153:
147:
146:
143:
142:
137:
132:
127:
122:
117:
112:
107:
102:
97:
92:
86:
85:
76:in the decade
58:
57:
43:
40:History portal
29:
13:
10:
9:
6:
4:
3:
2:
551:
540:
537:
535:
532:
530:
527:
525:
522:
521:
519:
500:
496:
491:
490:
487:
476:
472:
467:
466:
463:
452:
448:
443:
442:
439:
428:
424:
419:
411:
407:
402:
394:
390:
385:
377:
373:
368:
360:
356:
351:
343:
339:
334:
326:
322:
317:
309:
305:
300:
292:
288:
283:
275:
271:
266:
265:
262:
251:
247:
242:
234:
230:
225:
224:
222:
218:
214:Subcategories
213:
201:
196:
191:
186:
184:
181:
179:
178:
174:
172:
169:
167:
164:
159:
154:
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148:
141:
138:
136:
133:
131:
128:
126:
123:
121:
118:
116:
113:
111:
108:
106:
103:
101:
98:
96:
93:
91:
88:
87:
81:
80:
75:
74:
73:North America
69:
68:
63:
55:
49:
44:
41:
30:
27:
16:
216:
175:
114:
77:
71:
65:
54:1970s portal
518:Categories
237:(2 C, 4 P)
67:disasters
62:category
64:is for
503:(12 C)
479:(4 C)
455:(9 C)
431:(4 C)
414:(4 C)
397:(2 C)
380:(3 C)
363:(3 C)
346:(3 C)
329:(4 C)
312:(3 C)
295:(3 C)
278:(3 C)
254:(1 C)
140:2020s
135:2010s
130:2000s
125:1990s
120:1980s
115:1970s
110:1960s
105:1950s
100:1940s
95:1930s
90:1920s
79:1970s
60:This
203:25th
198:24th
193:23rd
188:22nd
183:21st
177:20th
171:19th
166:18th
161:17th
156:16th
151:15th
263:0–9
70:in
520::
501:
477:
453:
429:
412:
395:
378:
361:
344:
327:
310:
293:
276:
252:
235:
488:U
464:M
440:C
82:.
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