Periodic Table
-
standard table
-
large table
Chemical Elements
-
by name
-
by symbol
-
by atomic number
Chemical Properties
Chemical Reactions
Organic Chemistry
Branches of Chemistry
Analytical chemistry
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Inorganic chemistry
Materials science
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Organic chemistry
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Supramolecular Chemistry
Thermochemistry
Categories
:
425
425
Years:
421
422
423
424
-
425
-
426
427
428
429
Decades
:
390s
400s
410s
-
420s
-
430s
440s
450s
Centuries
:
4th century
-
5th century
-
6th century
Events
October 23
-
Valentinian III
becomes western
Roman emperor
.
Aetius
leads an army into
Italy
to support the self-proclaimed emperor
Joannes
.
Last known usage of
Demotic
.
The
Sanhedrin
is disbanded by the
Roman Empire
.
Buddhism
begins to spread to
Southeast Asia
.
Births
Zu Chongzhi
,
Chinese
mathematician
Deaths
October 10
-
Atticus
,
Patriarch of Constantinople
Joannes
, usurper in the western
Roman Empire
.
Categories
:
425
01-04-2007 01:16:19
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