Mr Dalton said it is not that older veterans have not experienced PTSI but it is only in recent years that it has been diagnosed and effective treatments sought.
"Everyone had a very enjoyable night and people stayed on to reminisce after the formalities ended around 10 o'clock and the last guests left at around 1am."
The RSA was established in April 1916, when the first national meeting of returned soldiers from World War I was held and the Wanganui club formed the same year.
Now that Anzac Day and the centenary celebrations have concluded, Mr Dalton said the next event on the calendar is the annual general meeting on May 29.
"We have had just the right number of nominations this year so we won't need to hold elections," said Mr Dalton.
With three new executive members on board, Mr Dalton said there is a good mix of experience and younger members with energy to share.