1421

1421 (MCDXXI), she blein chadjin v'ee, ghow toshiaght Jecrean rere feaillere Yool.

Milley bleeaney:	2oo milley bleeaney
Eashyn:	14oo eash 15oo eash 16oo eash
Jeihaghtyn:	1400yn 1410yn 1420yn 1430yn 1440yn
Bleeantyn:	1418 1419 1420 1421 1422 1423 1424

Taghyrtyn

• 2 Toshiaght Arree – Scugh Impir Yongle, y trass impir ayns Reeraghtys Ming, y preeu-valley veih Nanjing dys Beijing.
• 17–19 Sauin – Tooilley Noo Ealisaid: Hie'n ard slystagh faggys da Dordrecht 'sy Çheer Injil fo tooilley, kyndagh rish lane marrey feer ard ayns Mooir Hostyn; va 72 valley beg tooillit, hooar mysh 10,000 sleih baase, as va bollagh yn awin Meuse ceaghlit.

Ruggyryn

• 9 Mayrnt – Francesco Sassetti, banceyr Iddaalagh (b. 1490)
• 1 Luanistyn – Thomas Dutton, reejerey Sostynagh (b. 1459)
• 6 Nollick – Ree Inry VI Hostyn (b. 1471)

Baaseyn

• Boaldyn – Balša III, reireyder Zeta
• 26 Boaldyn – Mehmed I, Sultan Ottomanagh (r. 1389)
• 21 Mean Souree – Jean Le Maingre, marshyl y Rank (r. 1366)