1821

1821 (MDCCCXXI), she blein chadjin v'ee, ghow toshiaght Jelune rere yn eaillere Gregoiragh.

Milley bleeaney:	2oo milley bleeaney
Eashyn:	18oo eash 19oo eash 20oo eash
Jeihaghtyn:	1800yn 1810yn 1820yn 1830yn 1840yn
Bleeantyn:	1818 1819 1820 1821 1822 1823 1824

Taghyrtyn

• 21 Jerrey Geuree – Chur Fabian Gottlieb von Bellingshausen shilley er Ellan Pheddyr I 'syn Antarctagh da'n chied cheayrt.
• 28 Jerrey Geuree – Va Ellan Alistair, yn ellan smoo 'syn Antarctagh, feddynit magh da'n chied cheayrt liorish Fabian Gottlieb von Bellingshausen.
• 19 Jerrey Souree – Va Shorys IV crooinit myr ree Reeriaght Unnaneysit y Vretyn Vooar as Nerin.
• 21 Luanistyn – Va Ellan Jarvis feddynit magh 'sy Cheayn Sheealtagh liorish skimmee yn Eliza Frances.
• 15 Nollick – Va'n chied heshaght heer-oaylleeagh 'sy theihll, y Société de géographie, bunnit ayns Paarys.
• 19 Nollick – Hoshee yn volcaan Eyjafjallajökull 'syn Eeslynn bruightey.

Ruggyryn

• 22 Toshiaght Arree – Athalia Schwartz, screeudeyr, earisheyr, as ynseyder Danvargagh (b. 1871)
• 9 Averil – Charles Baudelaire, feelee as screeudeyr Frangagh (b. 1867)
• 21 Luanistyn – Louis Vuitton, kiaddeyder fassan Frangagh (b. 1892)
• 11 Sauin – Fyodor Dostoyevsky, screeudeyr Rooshagh (b. 1881)

Baaseyn

• 23 Toshiaght Arree – John Keats, feelee Goaldagh (r. 1795)
• 5 Boaldyn – Napoleon Bonaparte, Impir as gineraal Frangagh (r. 1769)
• 12 Nollick – Phoebe Hessel, ben-hidoor Goaldagh (r. 1713)