Question: When did the bombing event that was marked in a special program of The Late Late Tribute Shows six months later occur?

The Late Late Tribute Shows are a series of special editions of the world's longest-running chat show, "The Late Late Show" broadcast on RTÉ One in Ireland each Friday evening.  Over decades the shows has featured a broad range of well-known public figures including Micheál Mac Liammóir, Joe Dolan, Maureen Potter, Michael O'Hehir, Brian Lenihan, Jimmy Magee, Christy Moore, Mike Murphy and Paul McGrath.  In 1999, there was a special programme marking six months since the Omagh bombing and there was also a special show in the wake of 9/11.  There were also tribute shows celebrating Irish music and a "Late Late Show" special devoted to Irish comedians.  Individual bands and musicians to have been given a tribute show include The Clancy Brothers and Tommy Makem, The Chieftains, The Dubliners, U2, Westlife and, most recently, Ronnie Drew himself. <SEP> The Omagh bombing was a car bombing that took place on 15 August 1998 in Omagh, County Tyrone, Northern Ireland.  It was carried out by a group calling themselves the Real Irish Republican Army, a Provisional Irish Republican Army (IRA) splinter group who opposed the IRA's ceasefire and the Good Friday Agreement.  The bombing killed 29 people (including a woman pregnant with twins) as well as injuring some 220 others, a death toll even higher than that of any single incident during what were considered 'the Troubles' (1968-10 April 1998).  Telephoned warnings had been sent about 40 minutes beforehand, but were claimed to be inaccurate and police had inadvertently moved people towards the bomb. <SEP> The Roll on the Red Tour was a concert tour by American rock band Red Hot Chili Peppers.  The tour followed the band's hugely successful "By the Way tour".  During this tour the band recorded their first live album, Live in Hyde Park.  Near the tour's end, the dates mainly consisted of benefit and tribute shows including the Bridge School Benefit and a tribute show to longtime friend, Johnny Ramone.  The band's performance was released two years later on DVD as "Too Tough to Die: A Tribute to Johnny Ramone".  Ramone, who was too sick to attend the tribute (although show host, Rob Zombie called him during the event), would pass away a three days after the tribute show.  John Frusciante was among many famous friends and family to attend his funeral and memorial celebration.  On March 17, 2015, the band released "" a free MP3 download of the entire show through their website. <SEP> The ABC Sunday Night Movie is a television program that aired on Sunday nights, first for a brief time in 1962 under the title "Hollywood Special" (although "Time" magazine lists this version as "The Sunday Night Movie") to supposedly replace an open time slot for a cancelled TV show, "Bus Stop", which was cancelled after March 1962.  It then began airing regularly under its more commonly known title from late 1964 to 1998, on ABC.  Since 2004, it has aired sporadically as a special program, now titled the "ABC Sunday Movie of the Week", though as of the 2011-12 television season, the only films in this timeslot were aired under the "Hallmark Hall of Fame" banner, which transferred to ABC in that season.  However, in 2014, The Hallmark Hall of Fame moved exclusively to cable on the Hallmark Channel, and as a result, said program is no longer on broadcast television in any form (including ABC) for good.  As a result of this, the Sunday Night Movie is now exclusively relegated to 2 special holiday movies, "The Sound of Music" every holiday season and "The Ten Commandments" every Easter.