Historio > yarcento
12ma yarcento 13ma 14ma yarcento
Yardeki:

1200a1210a1220a1230a1240a
1250a1260a1270a1280a1290a
1300a


Yari:

12011202120312041205
12061207120812091210

12111212121312141215
12161217121812191220

12211222122312241225
12261227122812291230

12311232123312341235
12361237123812391240

12411242124312441245
12461247124812491250

12511252125312541255
12561257125812591260

12611262126312641265
12661267126812691270

12711272127312741275
12761277127812791280

12811282128312841285
12861287128812891290

12911292129312941295
12961297129812991300

La yaro 1284 (MCCLXXXIV per Romala algarismi) esis bisextila yaro komencinta ye saturdio segun Juliala kalendario. Ol esis la 284ma yaro di la duesma yarmilo, la 84ma yaro di la 13ma yarcento, e la 5ma yaro di la yari 1280a.