1421

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

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)