DublinToday: Vectorial Elevation "light sculptures" (see www.dublinelevation.net) continue to shine over the capital (until May 3rd).
Tomorrow: 9.15 p.m. - Stars of the Sea, fireworks spectacular, by French pyrotechnic team Groupe F, Sandymount Strand, Dublin.
Saturday: 0.01 a.m. - The 10 accession states (Latvia, Lithuania and Estonia, Poland, the Czech Republic, Slovakia, Hungary, Slovenia, and Cyprus and Malta) legally become members of the EU.
11.30 a.m. - Meeting in Dublin Castle of the "three presidents", the Taoiseach, Mr Ahern, in his capacity as President of the European Council (the group of EU member-state heads of government that governs the Union), Mr Romano Prodi, President of the European Commission (which carries out the Council's wishes) and Mr Pat Cox, President of the European Parliament (which has some oversight powers, vetting the Council and the Commission).
Noon-8 p.m. - European Fair at Merrion Square, Dublin, featuring food, craft, tourism, technology and culture from expanded EU. Up to 100,000 visitors expected. Highlights include a 35-strong Dutch guild who will "re-enact" Rembrandt's masterpiece, The Nightwatch.
Musical entertainment ranges from Kila and Sharon Shannon to folk musicians and dancers from Poland (which joins the EU.on Saturday), Bulgaria (which hopes to join around 2007), Finland and Germany (both member-states).
12.30 p.m. - Mr Ahern to start welcoming heads of state to Áras an Uachtaráin, the President's residence in the Phoenix Park, Dublin.
5.30 p.m. - Official enlargement ceremony, including flag raising at the Áras, to mark the accession of the 10.
6.30 p.m. - Heads of state dinner at Farmleigh House, the Government guest house in the Phoenix Park.
Bray: welcoming Cyprus
Today: Cyprus Exhibition, Bray Library
Saturday: Noon-6 p.m. - European Fair, puppet shows, clowns, sand sculptures, drama, and music, Sea Front.
8 p.m. - Theatre performance, Signal Arts Centre, Albert
Avenue. 8 p.m. - Andreas Georgiou Quartet, Cypriot musicians, Mermaid Arts Centre.
Cork: welcoming Slovakia
Saturday: 10 a.m.- 4 p.m. - Slovakian Film, Kino Cinema.
1 p.m.-5.15 p.m. - EU concert, featuring Irish and Slovak music, Patrick's Street
1 p.m.-6 p.m. - European Fair, arts and cuisine from Slovakia and elsewhere, Patrick's Street
1 p.m.-6 p.m. - Children's entertainment, Emmet Place
1 p.m.- 6 p.m. - Bizarre Bazaar, art, craft, performances and food, Fitzgerald Park
8 p.m. - Slovak and Irish poets, Crawford Gallery.
8 p.m. - Electric Rain, video, film, dance, music, Club One, Phoenix Street
Drogheda: welcoming Latvia
Tomorrow: 6.30 p.m. - Landscapes of Latvia, photographic exhibition, Droichead Arts Centre Gallery
Saturday: 11.30 a.m.-6 p.m. - European Fair, including street theatre, Fair Street
3 p.m.-10 p.m. - Rock concert, featuring Turn, The Revs and more, The Mall
8 p.m. - The Land That Sings, state choir Latvija in concert, St Peter's Church of Ireland
10.30 p.m. Multi-media performance, Theatre Booth, Fair Street
Galway: welcoming Estonia
Tomorrow: 10.30 p.m. - The Last Concert of Old Europe, Estonian Philharmonic Chamber Choir & Tallinn Chamber Orchestra, St Nicholas
Church
Saturday: 10 a.m.-6 p.m. European Fair, St Nicholas Church, featuring food, jazz, céilí, and street theatre with Macnas
1 p.m. - Reading by Estonian poet Andres Ehin, Galway City Library
5 p.m. - Welcome With Film, Estonian movies, Galway Arts Centre
9 p.m. Estonian DJ Experience, the GPO
Kilkenny: welcoming Lithuania
Tomorrow: 10 a.m.-6 p.m. - Lithuanian and Irish arts, Butler house, Patrick Street (until Monday, May 3rd)
8 p.m. - Tomas Venclova, Lithuanian poetry, Parade Tower, Kilkenny Castle
Saturday: 9 a.m.-6 p.m. - European Fair, featuring Lithuanian music and food, The Parade
9 p.m. - Theatre group Quidams takes to the streets
Sunday: 7 p.m. - Joint concert by Irish and Lithuanian choirs, St Mary's Cathedral
Killarney: welcoming Czech Republic
Today: 10 a.m.-8 p.m. - Czech Press Photo 2003, Killarney Library (until May 8th)
Saturday: 11 a.m.-6 p.m. - European Fair, College Street
3 p.m. - Parade of Colour, featuring Bui Bolg theatre group
8 p.m. - Colour of Music concert, featuring acts from Ireland and Eastern Europe, Great Southern Hotel
Letterkenny: welcoming Poland
Today: 8.15 p.m. - Polish cinema, Letterkenny Cinemas.
Tomorrow: 6 p.m. - Polish Art Exhibition, Letterkenny Arts Centre.
8.30 p.m. - An Fidil, concert of Polish/Donegal music, Radisson SAS Hotel.
11 p.m. - Poland's DJ Vasil, the Fubar.
Saturday: 10.30 a.m. - Rytm, a celebration of Polish poetry and art, Donegal County Museum.
Noon- 6.30 p.m. - European Fair, Letterkenny Town Park.
4 p.m. - Echa!, contemporary Irish and Polish literature, Donegal County Museum.
9 p.m. - Aquatic Parade, street theatre and carnival music.
Sunday: 11 a.m. - Ireland v Poland all-stars soccer game, Letterkenny Institute of Technology.
1 p.m. - Caz Cabaret, Irish and Polish art and music, Glebe Gallery, Churchill.
8 p.m. - Day of Welcomes Concert, An Grianan Theatre.
9.30 p.m. - The Tower of Babel, Polish theatre, Town Park.
Limerick: welcoming Slovenia
Tomorrow: 6 p.m.-10 p.m. - Evening of music and entertainment, The Milk Market
Saturday: 8 a.m.-12.30 p.m. - Fresh food, fashion, jewellery, The Milk Market
11 a.m. Slovenian and Irish art, Limerick City Gallery of Art
11 a.m.-5 p.m. - Limerick Regatta, featuring boat racing and skydiving
11.30 a.m.-6 p.m. - European Fair & BBQ Cook-Off, George's Quay
Noon: - Procession of the Welcomes, from The Milk Market to George's Quay
12.30 p.m.-6 p.m. - French Market, Bank Place
Noon-6 p.m. - European "ham" radio enthusiasts get together, City Hall
6 p.m. - River of Welcomes, lanterns on Abbey River, George's Quay. 9.30 p.m. Fireworks display, King John's Castle
Sligo: welcoming Hungary
Saturday: Noon-6.30 p.m. - European Fair and Electric Sound Stage, including Hungarian and Irish music, Stephen's Street car-park
Noon: Hungary's Vogler Quartet, St Columba's Church, Drumcliffe
Noon-4 p.m. - Hungarian food, Garavogue Café Bar
2.30 p.m. - Hungarian art exhibits, Niland Centre (until May 22nd)
3.30 p.m. - Krescendo carnival parade, from Harmony Hill to Rockwood Parade
5.15 p.m. - Irish and Hungarian poetry, Yeats Memorial Building
6.30 p.m. - Kirai Kis Miklosa, a Hungarian fairytale, The Factory Performance Space, Lower Quay Street
8 p.m. - Under the Bour Tree, traditional Hungarian and
Irish music, Hawk's Well
Theatre
10 p.m. - Callino Quartet performs Bartok, St Columba's Church, Drumcliffe
Waterford: welcoming Malta
Today: Noon-6 p.m. Exhibition by Maltese music group Etnika, Garter Lane Arts Centre (continues until Saturday)
Friday: 8.15 p.m. Malta: A Spirit of Place, lecture by Maltese architect Prof Richard England, City Hall
Saturday: 10 a.m.-6 p.m. European Fair, Jenkins Lane car-park
11 a.m.-5 p.m. Hullabaloo Children's Festival, Municipal Gallery, Greyfriars
Noon-5.45 p.m. Large scale replica of Valetta's Auberge de Castile to form backdrop to a wide array of acts, including Malta's Cameo Folklore Dancers, and climaxing in Spraoi's The Big Bang, John Roberts Square,
3 p.m. Fáilte Malta, choral music, Christchurch Cathedral.