Want to learn more about how our Parliament works and its history and buildings? Discover the origins of the Oireachtas, what it does and how Members are elected. You can also explore the buildings and find out how to arrange a visit to the Oireachtas.
In January 2019, and throughout the year, we are commemorating the centenary of the First Dáil. Events will take place throughout the year and visitors to the Houses of the Oireachtas will see a special exhibition telling the story of 100 years of Dáil Éireann.
On 21 January 1919, the First Dáil held its first public sitting. The elected members who gathered there declared Ireland to be a Republic and a sovereign independent state.
Know your Parliament
Confused by parliamentary jargon? Find out everything you need to know about the Oireachtas in our Brief Guide to How Your Parliament Works.