1284

Historio>yarcento
12ma yarcento $\leftarrow$ 13ma $\rightarrow$ 14ma yarcento
Yardeki: 1200a•1210a•1220a•1230a•1240a 1250a•1260a•1270a•1280a•1290a 1300a
Yari: 1201•1202•1203•1204•1205 1206•1207•1208•1209•1210 1211•1212•1213•1214•1215 1216•1217•1218•1219•1220 1221•1222•1223•1224•1225 1226•1227•1228•1229•1230 1231•1232•1233•1234•1235 1236•1237•1238•1239•1240 1241•1242•1243•1244•1245 1246•1247•1248•1249•1250 1251•1252•1253•1254•1255 1256•1257•1258•1259•1260 1261•1262•1263•1264•1265 1266•1267•1268•1269•1270 1271•1272•1273•1274•1275 1276•1277•1278•1279•1280 1281•1282•1283•1284•1285 1286•1287•1288•1289•1290 1291•1292•1293•1294•1295 1296•1297•1298•1299•1300

La yaro1284(MCCLXXXIV per Romala algarismi) esisbisextila yarokomencinta yesaturdiosegunJuliala kalendario.Ol esis la 284mayarodi la duesma yarmilo, la 84ma yaro di la13ma yarcento,e la 5ma yaro di layari 1280a.

Eventi

EnItalia,l'ekonomio pluforteskas. EnVenezia,on komencas uzardukatikommonetaro.Ora moneti divenas pokope internaciona valuto.

25ma di aprilo-Edward la 2ma,Rejulo diAnglia,Sinioro deIrlandoe Duko deAquitania(m. 1327)
Simone Martini,Italiana piktisto (m. 1344)