
- 1904: She won a scholarship to the County School in Caernarfon.
- 1910: She went to the University of Wales Bangor to study Welsh.
- 1913–17: She taught at Llanberis Primary School, Ystalyfera Secondary School and Aberdare County School for Girls.
- 1925: She publishes her first book, 'O Gors y Bryniau' (From the Swamp of the Hills). Joins a new political party – Plaid Genedlaethol Cymru (The National Party of Wales).
- 1935: Kate and her husband decide to move back to north Wales to buy the publishing firm, Gwasg Gee.
- 1936: She publishes 'Traed mewn Cyffion' (Feet in Chains). It was joint first in the National Eisteddfod Prose Medal competition.
- 1950: She receives an Honorary Doctorate from the University of Wales.
- 1956: She publishes 'Y Byw sy'n Cysgu' (The Living Sleep), a novel in the form of a diary.
- 1959: A volume of short stories, ‘Te yn y Grug (Tea in the Heather), is published and becomes one of her most famous books.
- 1961: She receives the Medal of the Honourable Society of Cymrodorion.
- 1981: She publishes her final novel, 'Haul a Drycin' (Sun and Storm).
‘To state that Kate Roberts was the most important Welsh novelist and short story writer of the twentieth century is a fact that few would dispute.’ – Katie Gramich, preface in ‘Writers of Wales’ (University of Wales Press 2011)