Trading on the Nasdaq stock exchange, the world's leading market for technology stocks, will be opened for the first time from Ireland on 30 October.
The opening bell will be rung live on stage in front of 7,000 people at the RDS during this year's Web Summit.
According to the Web Summit organisers, remote opening and closing bell ceremonies are extremely rare, with the ceremony normally performed at the Nasdaq MarketSite in Times Square, New York.
The organisers of the summit say the ceremony will be broadcast live by dozens of TV stations around the world.
Over 300 speakers will attend this year's summit, including Niklas Zennstrom, founder of Skype and Atomico; Phil Libin, chief executive of Evernote, and Wordpress co-founder Matt Mullenweg.
The summit is expected to attract 5,000 people from outside Ireland, as well as 350 members of the international press and 300 international investors.
"We’re delighted to see Nasdaq recognising the Web Summit as the platform for tech companies in Europe. This is an extraordinary coup for us as the opening of the market is watched by millions and rarely takes place outside of New York," said Web Summit founder Paddy Cosgrave.