Encyclopedia > 1240

Article Content

1240

Centuries: 12th century - 13th century - 14th century

Decades: 1190s 1200s 1210s 1220s 1230s - 1240s - 1250s 1260s 1270s 1280s 1290s

Years: 1235 1236 1237 1238 1239 - 1240 - 1241 1242 1243 1244 1245

Events

Births

Deaths

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Photosynthesis

... system is the light-dependant reaction, which converts solar energy into chemical energy. Light absorbed by chlorophyll or other photosynthetic pigments is used to drive a ...