1900s
1903 – Hosts the National Eisteddfod for a second time.
1911 – Riots occur as a part of railway strikes during 'the great unrest'. On 17 August, strikers at Llanelli held up trains at one of the level crossings in the town. The army was called in the next day and two bystanders were shot dead. Railway trucks carrying detonators were set on fire, causing an explosion that killed four people.
1930 – Hosts the National Eisteddfod.
1962 – Hosts the National Eisteddfod.
1972 – "The Day the Pubs Ran Dry"—31 October, when Llanelli RFC defeated the touring All Blacks of New Zealand 9-3 (10-3 in today's scoring system) before a crowd of 26,000 at Stradey Park. Pubs throughout the town ran dry serving fans celebrating the win.
Read more about this topic: Timeline Of Llanelli History