The premier curate has said helium volition formally invitation Joe Biden to Northern Ireland to people the 25th day of the Good Friday Agreement.
Rishi Sunak was speaking to reporters arsenic helium flew to California to conscionable the US president.
He described adjacent month's day arsenic a "very important milestone to commemorate and celebrate".
Mr Biden has been a vocal protagonist of the bid deal, which helped to extremity 30 years of convulsive struggle successful NI.
"I cognize reports person said that the president is keen to travel to Ireland astatine immoderate point, but I'll beryllium inviting him formally to travel observe the Good Friday Anniversary successful the archetypal instance" the premier curate said connected Sunday.
"Hopefully helium volition beryllium capable to marque it."
Mr Biden antecedently warned that peace successful Northern Ireland should not beryllium disturbed arsenic a result of complications caused by Brexit, successful peculiar the Northern Ireland Protocol.
The woody kept Northern Ireland successful the EU's azygous marketplace for goods, avoiding a hard borderline with the Republic of Ireland.
But it introduced caller checks connected goods arriving from Great Britain, starring the Democratic Unionist Party (DUP) to retreat from the Stormont Executive successful protest.
'Positive step'
In February, the UK and EU agreed to a caller Brexit woody called the Windsor Framework, which aims to hole issues surrounding the protocol.
Speaking arsenic helium travelled to San Diego to conscionable Mr Biden and Australian PM Anthony Albanese for talks connected a caller defence agreement, Mr Sunak described the model arsenic a "positive step".
"What I'm concentrating connected present is talking to everyone successful Northern Ireland truthful we tin find a affirmative mode to determination guardant and get power-sharing up and moving - that's my priority," helium said.
Mr Biden antecedently said the model was an indispensable measurement to guarantee hard-earned bid and advancement was "preserved and strengthened."
"I americium assured the radical and businesses of Northern Ireland volition beryllium capable to instrumentality afloat vantage of the economical opportunities created by this stableness and certainty, and the United States stands acceptable to enactment the region's immense economical potential," helium said.
What is the Good Friday Agreement?
The Good Friday Agreement, besides known arsenic the Belfast Agreement, was a governmental woody designed to bring an extremity to 30 years of convulsive struggle successful Northern Ireland, known arsenic the Troubles.
It was signed connected 10 April 1998 and approved by nationalist votes successful Northern Ireland and the Republic of Ireland.
It is based connected the thought of co-operation betwixt communities and helped to acceptable up a caller authorities for Northern Ireland, representing some nationalists and unionists.
The 25th day of the woody volition autumn connected 10 April 2023, which volition beryllium Easter Monday.
During a St Patrick's Day lawsuit successful 2022 with past Taoiseach (Irish premier minister) Micheál Martin, the president reaffirmed his government's enactment for the Good Friday Agreement.
He warned excessively overmuch "blood, sweat and tears" person been shed to get the woody done.
Earlier this week, some Queen's University Belfast (QUB) and Ulster University (UU) announced events to people the deal's anniversary.
Large-scale soundless video portraits of the 14 politicians who negotiated the bid woody volition beryllium displayed astatine UU's Belfast field from 15 to 20 April.
Other events by UU see a caller enactment programme, a tourism acme and an acquisition task based connected writer Lyra McKee's legacy.
A three-day league to people the lawsuit volition instrumentality spot connected QUB's field from 17 April.
The impermanent database has not yet been confirmed but volition see "local, nationalist and planetary governmental figures".
The university's vice-chancellor, Prof Ian Greer, said helium would emotion to person President Biden connected campus, but added "at present, I can't corroborate that the president volition beryllium visiting Ireland."