3 This timeline is approximate and open to revision, especially things
10 Paldea is unified under the Paldean Empire.
14 - _[Paldea]_{as=small}
15 “Modern” Paldea is founded.
19 - _[Paldea]_{as=small}
20 The Naranja Academy is founded.[^1218-paldea-academy]
24 - _[Sinnoh]_{as=small}
25 The Diamond and Pearl clans settle Hisui.[^1457-sinnoh-dp]
29 - _[Sinnoh]_{as=small}
30 The Galaxy Expedition Team settles Hisui at Jubilife Village.
34 - _[Sinnoh]_{as=small}
35 Due to the success of the Galaxy Expedition, Hisui is formally
36 annexed and renamed to Sinnoh.[^1869-sinnoh-annex]
40 - _[Sinnoh]_{as=small}
41 Hisuian Zorua and Zoroark are made extinct in
42 Sinnoh.[^1889-sinnoh-zorua]
46 - _[Sinnoh]_{as=small}
47 Hisuian Growlithe and Arcanine are made extinct in
48 Sinnoh.[^1905-sinnoh-growlithe]
53 The first Poké Balls with a synthetic (bakelite) shell as opposed
54 to a wooden (apricorn) shell are produced in Kanto, following the
55 research of Professor Westwood at Celadon University.
56 The lightweight construction makes them significantly easier to
57 transport, although the balls themselves have a notably higher
58 failure rate.[^1925-kanto-pokeballs]
61 Kantonian Voltorb and Electrode begin to appear in Kanto and slowly
62 spread to other regions, outcompeting their Hisuian counterparts.
66 - _[National]_{as=small}
67 The resolution of an international conflict leads to the formation
68 of the Pokémon League as a pan‐regional alliance between (at
69 minimum) Kanto, Johto, Hoenn, Sinnoh, Kalos, and
70 Galar.[^1945-national-league]
75 Meteors from the Litleonid meteor shower strike near Meteor Falls
76 and Lunitone and Solrock are discovered
77 there.[^1952-11-hoenn-litleonids]
81 - _[Faraway Island]_{as=small}
82 Dr. Fuji captures Mew.[^1957-07-05-faraway-mew]
86 - _[Faraway Island]_{as=small}
87 Dr. Fuji gives Mew its name.[^1957-07-10-faraway-mew]
92 A·B·S plastic is used to create the Great Ball, which is less
93 brittle and has a lower failure rate compared to the original
95 The ease of injection moulding is the reason behind the interesting
96 Great Ball shape.[^1958-kanto-greatball]
100 - _[Kanto]_{as=small}
101 Dr. Fuji successfully clones Mew to create
102 Mewtwo.[^1958-02-06-kanto-mewtwo]
106 - _[Kanto]_{as=small}
107 Mewtwo overcomes the researchers and
108 escapes.[^1958-09-01-kanto-mewtwo]
112 - _[National]_{as=small}
113 Broadcast color television is introduced, although adoption is slow
114 in consumer households.
118 - _[Unova]_{as=small}
119 Elgyem is first discovered appearing in a
120 desert.[^1961-09-19-unova-elgyem]
124 - _[Sinnoh]_{as=small}
125 Jubilife TV is founded.
129 - _[National]_{as=small}
130 Mankind sets foot on the moon.[^1969-07-20-national-moon]
134 - _[Kanto]_{as=small}
135 Polypropelyne production becomes widespread and efficient enough
136 for use in a new kind of pokémon ball, the Ultra
137 Ball.[^1986-kanto-ultraball]
141 - _[Sinnoh]_{as=small}
142 Climate change results in the extinction of Hisuian Bergmite and
143 Avalugg.[^1990-sinnoh-bergmite]
147 - _[Kanto]_{as=small}
148 Porygon is developed.[^1995-kanto-porygon]
152 - _[Hoenn]_{as=small}
153 TV Mauville is founded.
154 Hoenn Rangers Coexistence Force becomes popular.
156 [^1218-paldea-academy]:
157 This is the year that the [University of
158 Salamanca][wp:Univeristy_of_Salamanca]{title="Wikipedia: University
159 of Salamanca"} was founded.
162 This is the year of [Koshamain’s War][wp:Koshamains_War]{
163 title="Wikipedia: Koshamain’s War"}.
165 [^1869-sinnoh-annex]:
166 This is the year in which the Meiji government gave Hokkaido its
169 [^1889-sinnoh-zorua]:
170 This is the year of extinction for the [Hokkaido
171 wolf][wp:Hokkaido_wolf]{title="Wikipedia: Hokkaido wolf"}.
173 [^1905-sinnoh-growlithe]:
174 This is the year of extinction for the [Japanese
175 wolf][wp:Japanese_wolf]{title="Wikipedia: Japanese wolf"}.
177 [^1925-kanto-pokeballs]:
178 This year is attested as the creation date for “modern Poké Balls” in
179 early _Pokémon_{as=cite} franchise lore.
181 [^1945-national-league]:
182 This year in which the United Nations is founded.
184 [^1952-11-hoenn-litleonids]:
185 _Ruby_{as=cite}, _Sapphire_{as=cite} & _Emerald_{as=cite} state this
186 happen “about 40 years ago”.
187 As the Litleonids occur every 11 years, 44 years before 1996 is an
190 Note that this dating only makes sense in the English canon.
192 [^1957-07-05-faraway-mew]:
193 This month and day are given by the diary in the Pokémon Mansion on
196 [^1957-07-10-faraway-mew]:
197 This month and day are given by the diary in the Pokémon Mansion on
200 [^1958-kanto-greatball]:
201 A·B·S was introduced to commercial markets in 1954, so this date
202 could be shifted earlier.
203 1958 was the year it began being used for Lego bricks.
205 [^1958-02-06-kanto-mewtwo]:
206 This is the year that [John Gurdon cloned African clawed
207 frogs][wp:John_Gurdon#Nuclear_transfer]{title="Wikipedia: John
208 Gurdon § Nuclear transfer"} using the same technique which would
209 eventually be used to clone Dolly the Sheep.
211 This month and day are given by the diary in the Pokémon Mansion on
214 [^1958-09-01-kanto-mewtwo]:
215 This month and day are given by the diary in the Pokémon Mansion on
218 [^1961-09-19-unova-elgyem]:
219 Elgyem are stated to have appeared “far in the desert 50 years ago”
220 in _Black_{as=cite} & _White_{as=cite}.
222 This is the exact date that [Barney and Betty
223 Hill][wp:Barney_and_Betty_Hill_incident]{title="Wikipedia: Barney
224 and Betty Hill incident"} claimed to encounter a U·F·O and be
226 This alleged encounter popularized the “grey alien” trope which
227 Elgyem and its evolution derive from.
229 [^1969-07-20-national-moon]:
230 This exact date is given in _Ruby_{as=cite}, _Sapphire_{as=cite} &
233 [^1986-kanto-ultraball]:
234 Large‐scale production of polypropelyne began in 1957, but the
235 [fluidized‐bed Unipol process][osti:6143228]{title="Unipol PP: a
236 gas-phase route to polypropylene"} was not extended to
237 polypropelyne (from polyethylene) until the mid‐1980s.
239 [^1990-sinnoh-bergmite]:
240 This tracks [a large temperature
241 spike][berkeleyearth:42.59N-141.82E]{title="Berkeley Earth: Local
242 Climate Change: 42.59 N, 141.82 E"} in the Hokkaido area and a
243 trend of steep rise in average temperature.
244 Compare also [the ice floes of the Sea of
245 Okhotsk][wapo:japan-ice-loss]{title="Washington Post: The climate
246 chain reaction that threatens the heart of the Pacific"}, although
247 these make more sense mapped to regular (Unovan) Avalugg (as well
248 as, possibly, White‐Striped Basculin).
250 [^1995-kanto-porygon]:
251 This date is given in early promotional material.
253 [berkeleyearth:42.59N-141.82E]:
254 http://berkeleyearth.lbl.gov/locations/42.59N-141.82E
257 https://www.osti.gov/biblio/6143228
259 [wapo:japan-ice-loss]:
260 https://www.washingtonpost.com/graphics/2019/world/climate-environmen
261 t/climate-change-japan-pacific-sea-salmon-ice-loss/
263 [wp:Barney_and_Betty_Hill_incident]:
264 https://en.wikipedia.org/wiki/Barney_and_Betty_Hill_incident
267 https://en.wikipedia.org/wiki/Hokkaido_wolf
270 https://en.wikipedia.org/wiki/Japanese_wolf
272 [wp:John_Gurdon#Nuclear_transfer]:
273 https://en.wikipedia.org/wiki/John_Gurdon#Nuclear_transfer
276 https://en.wikipedia.org/wiki/Koshamain%27s_War
278 [wp:University_of_Salamanca]:
279 https://en.wikipedia.org/wiki/University_of_Salamanca