Fáilte ar ais chuig eagrán nua de Ar An Lá Seo ar an 20ú lá de mí Bealtaine, liomsa Lauren Ní Loingsigh.

I 1972 ghortaíodh 12 duine I mBéal Feirste ó bhuama agus bhain geit as 15 páiste.

I 1994 thóg an Taoiseach agus an príomh-aire céim mhór chun síocháin a chur chun cinn sa Tuaisceart, agus de bharr sin bhí Sinn Féin agus an IRA scoite.

I 1983 chur tús le feachtas nua chun meánscoil nua a thógáil I Newmarket on Fergus de bharr go raibh méadú sa daonra ann.

I 1994 bhí 73 iarrthóir, 15 mná a bhí ann ag iarradh a bheith sa toghchán áitiúil d' Inis, Cill Rois, an tSionainn agus Cill Chaoi an Mheithimh seo chugainn.

Sin Rihanna le SOS – an t-amhrán is mó ar an lá seo I 2006.

Ag lean ar aghaidh le nuacht cheoil ar an lá seo I 1970 tháinig an scannán Let It Be, an scannán deireanach leis na Beatles amach I Londain agus sa Learpholl ag an am céanna, seachtain amháin tar éis a tháinig an scannán amach I Meiriceá.

I 2007 shroich Rihanna agus Jay-Z uimhir a haon sna cairteacha sa Bhreatain lena amhrán Umbrella agus d'fhan siad ann ar feadh 10 seachtain agus bhí sé an t-amhrán a d'fhan ag uimhir a haon don chuid is mó ón amhrán Love Is All Around ó Wet Wet Wet I 1994. Bhuaigh siad Gradam Grammy don amhrán chomh maith.

Agus ar deireadh breithlá daoine cáiliúla ar an lá seo rugadh Louis Theroux sa Bhreatain I 1970 agus rugadh amhránaí Cher I Meiriceá ar an lá seo I 1946 agus seo chuid de a amhrán.

Beidh mé ar ais libh amárach le heagrán nua de Ar An Lá Seo.

Welcome back to another edition of Ar An Lá Seo on the 20th of May, with me Lauren Ní Loingsigh

1972: 12 people were hurt by a bomb in belfast and 15 children suffered shock.

1994: The taoiseach and prime minister took a giant step last night to be on the path to peace in the north,leaving sinn fein and the IRA isolated.

1983: A campaign was inititated to have a new secondary school built in Newmarket on Fergus where there has been a sizeable increase in population.

1994: A total of 75 candidates, 15 of them being women were contesting the local authority elections for ennis and kilrush urban district councils and shannon and kilkee town commissioners next june.

That was Rihanna with SOS– the biggest song on this day in 2006

Onto music news on this day In 1970 Let It Be, the final feature film involving The Beatles was premiered simultaneously in London and Liverpool a week after the film's US release.

2007 Rihanna featuring Jay-Z started a 10 week run at No.1 on the UK singles chart with 'Umbrella' which spent 10 consecutive weeks at No.1 in the UK making it the longest running No.1 single since Wet Wet Wet's 1994 hit Love Is All Around. Rihanna and Jay-Z won a Grammy Award for Best Rap/Sung Collaboration for the track.

And finally celebrity birthdays on this day – Louis Theroux was born in the UK in 1970 and singer Cher was born in America on this day in 1946 and this is one of her songs.

I'll be back with you tomorrow with another edition of Ar An Lá Seo.