Decades: 1230s 1240s 1250s 1260s 1270s - 1280s - 1290s 1300s 1310s 1320s 1330s
Years: 1281 1282 1283 1284 1285 - 1286 - 1287 1288 1289 1290 1291
Deaths
... various activities along the way as the electron drops in energy level. The electrons originate when a photon of sunlight strikes a chlorophyll molecule contained within a ...