Newstalk is exploring the 20 most influential moments of the past two decades.

Everyday, across the station, we're looking back at an influential moment chosen by listeners.

Today we looked at the marriage equality referendum with Senator David Norris.

Listen and subscribe to 'The 20 most influential moments of the last 20 years' on Apple Podcasts, Google Podcasts and Spotify.

You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.