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This category has the following 10 subcategories, out of 10 total.
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Category:Zoos disestablished in the 20th century
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363:Educational organizations established in the 1970s
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358:Zoos established in the 20th century
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353:Zoos by decade of establishment
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328:Zoos established in 1979
315:Zoos established in 1978
302:Zoos established in 1977
289:Zoos established in 1976
276:Zoos established in 1975
263:Zoos established in 1974
250:Zoos established in 1973
237:Zoos established in 1972
224:Zoos established in 1971
211:Zoos established in 1970
49:, i.e. in the years
42:established in the
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26:History portal
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347:Categories
34:category
44:decade
36:is for
267:(15 P)
241:(16 P)
215:(18 P)
332:(5 P)
319:(5 P)
306:(9 P)
293:(7 P)
280:(3 P)
254:(9 P)
228:(9 P)
115:2020s
110:2010s
105:2000s
100:1990s
95:1980s
90:1970s
85:1960s
80:1950s
75:1940s
70:1930s
65:1920s
46:1970s
32:This
178:25th
173:24th
168:23rd
163:22nd
158:21st
152:20th
146:19th
141:18th
136:17th
131:16th
126:15th
55:1979
51:1970
39:zoos
204:0–9
53:to
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57:.
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