Dublin Airport's Terminal 1 celebrated its 50th birthday today.
The building first opened in 1972 and cost £7 million. It was designed to cater for six million passengers per year.
The building has been expanded significantly since then, with an extension, a new runway and taxiways.
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Dublin Airport showed how the Terminal building has changed over the past 50 years by sharing a throwback photo on social media.
They said on Twitter today: "Dublin Airport's Terminal 1 in May 1972 versus May 2022. As you can see, there have been a few changes over the past 50 years!"
They said the building has served 460 million passengers since it opened.
Last November, the Terminal 2 building turned 11 years old.
The historical development opened on November 19, 2010 and has "welcomed about 100 million passengers during that period."
Since the terminal began operating, airport traffic has increased by almost 79% from 18.4 million passengers in 2010 to 32.9 million in 2019 (pre-Covid-19).
According to Dublin Airport, the building of the terminal was the largest construction project in the country "at its peak" and it employed up to 2,600 workers onsite.
Before Terminal 2 opened, about 4,000 Irish people participated in "mock trips" so the building could be trialled.
When it first opened 11 years ago, daa’s then Chairman David Dilger described it as "a €600 million investment in Ireland’s future".
Ryanair CEO Michael O'Leary famously opposed the construction of the terminal and claimed at the time that it would cause the death of the Irish tourism industry.
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