Commemorations took place outside the GPO in Dublin to remember those who died in the 1916 Rising.
President Michael D Higgins and Taoiseach Leo Varadkar attended the ceremony, which began with a reading of the Proclamation of Independence.
An album of photos from this afternoon's State Commemoration to mark the Anniversary of the 1916 Rising is available on Flickr here: https://t.co/08OkiPGRZX @campaignforleo @defenceforces @IrishAirCorps @PresidentIRL pic.twitter.com/n3KAIKpc5Z
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Defence Forces Personnel, including a brass band, a pipe band and representatives of the Army and the Naval Service took part in the ceremony - which concluded with an Air Corps fly past.
The National Flag was lowered and the 1916 Proclamation was read by an officer from the Defence Forces at noon.
President Higgins then laid a wreath to commemorate those who died.
Today marks the 102nd anniversary of the Easter Rising.
Captain Seán McCarthy of the Irish Air Corps reads the Proclamation outside the GPO.
Separately, Heritage Minister Josepha Madigan laid a wreath at a ceremony in Glasnevin Cemetery to commemorate all of those who died.
Minister @josephamadigan speaking at this morning's special ceremony at Glasnevin Cemetery to mark the 102nd anniversary of the 1916 Easter Rising. pic.twitter.com/3KBmITz59g
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Minister Madigan said: "It is a great honour for me to represent the Government at this ceremony of remembrance to commemorate all those who died in the cause of Irish freedom during Easter Week 1916.
"We remember in a special way those who rest in peace in this cemetery and the creators of our two great symbols of nationhood."
Waterford Fianna Fáil will host an Easter Rising and Tricolour commemorative event tomorrow.
The ceremony starts at 11.30am at the memorial monument situated opposite the Granville Hotel on The Quay.
Stephanie Keating, member of the party's Ard Comhairle says the event is open to everyone.
Image via @merrionstreet on Twitter