Periodic Table
-
standard table
-
large table
Chemical Elements
-
by name
-
by symbol
-
by atomic number
Chemical Properties
Chemical Reactions
Organic Chemistry
Branches of Chemistry
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Organic chemistry
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Supramolecular Chemistry
Thermochemistry
Categories
:
1240
1240
Years:
1237
1238
1239
-
1240
-
1241
1242
1243
Decades
:
1210s
1220s
1230s
-
1240s
-
1250s
1260s
1270s
Centuries
:
12th century
-
13th century
-
14th century
Contents
1 Events
2 Births
3 Deaths
4 Monarchs/Presidents
Events
Batu Khan
and the
Golden Horde
sack the
Ruthenian
city of
Kyiv
Births
Pope Benedict XI
Deaths
April 11
-
Llywelyn ap Iorwerth
, also known as Llywelyn "The Great" Prince of
Gwynedd
Monarchs/Presidents
Aragon
-
James I
King of Aragon
and count of
Barcelona
(reigned from
1213
to
1276
)
Castile
-
Ferdinand III
, the Saint
King of Castile and Leon
(reigned from
1217
to
1252
)
Categories
:
1240
01-04-2007 01:16:19
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ChemistryDaily.com
2005
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