1986

1983 - 1984 - 1985 - 1986 - 1987 - 1988 - 1989

1986 OK yw blydhen gemmyn y'n dydhyans gregorek, ow talleth dy' Mergher.

 Hwarvedhyansow 
 26ves a vis Ebryl: anfusy Chornobyl
 21ves a vis Est: anfusy Lyn Nyos, Kameroun, a ladhas 2000 person
 10ves a vis Hedra: crenna an nor yn El Salvador (a vraster 7.5 Richter) a ladhas 1500 person
 Elie Wiesel a waynyas Prys Nobel Cres

 Dineythyansow 
 14 Gwynngala: Lloyd Russell-Moyle

 Mernansow 
 24ves a vis Genver: L. Ron Hubbard
 11ves a vis Hwevrer: Frank Herbert

Klass:1986