1778 (MDCCLXXVIII), she blein chadjin v'ee, ghow toshiaght Jerdein rere yn eaillere Gregoiragh.

Taghyrtyn

• 18 Jerrey Geuree – Trass marrinys James Cook: Chur y Captan James Cook, marish ny lhongyn HMS Resolution as HMS Discovery, shilley er Oahu as, eisht, Kauai ayns Ellanyn Hawaii 'sy Cheayn Sheealtagh da'n chied cheayrt.
• 3 Luanistyn – Va'n Thie Kiaulldramey La Scala ayns Milano foshlit lesh y chied chloie jeh Europa riconosciuta liorish Antonio Salieri.
• 26 Sauin – Ayns Ellanyn Hawaii, haink y Captan James Cook dy ve ny chied Oarpagh tarlheim er Maui.

Ruggyryn

• 1 Jerrey Geuree – Charles Alexandre Lesueur, najooragh Frangagh (b. 1846)
• 4 Mayrnt – Robert Emmett, irreyder magh Yernagh (b. 1803)
• 25 Mayrnt – Sophie Blanchard, aer-hiaulteyr Frangagh (b. 1819)
• 20 Luanistyn – Bernardo O'Higgins, Ard-Stiureyder y Çhillee (b. 1842)
• 20 Mean Fouyir – Fabian Gottlieb von Bellingshausen, ard-marragh Rooshagh (b. 1852)

Baaseyn

• 10 Jerrey Geuree – Carolus Linnaeus, lus-oayllee Soolynnagh (r. 1707)
• 20 Toshiaght Arree – Laura Bassi, fishigagh as ard-scoillar Iddaalagh (r. 1711)
• 30 Boaldyn – Voltaire, fallsoonagh Frangagh (r. 1694)
• 11 Jerrey Fouyir – Saliha Sultan, inneen lesh y Tultan Ottomanagh (r. 1715)