No.
No, they have not.
Of course! In 1998 Milos Milosevic won the indoor pokémon world championships in a brilliant final against Henri de Douche from France.
No it has never been played there.
No, they have never won it.
Neither the Republic of Ireland nor Northern Ireland have ever won the World Cup. The best performance was by the Republic of Ireland in 1990 when they reached the quarter-finals, where they were beaten by Italy (the hosts).
Yes, they were co-hosts of the 2009 Baseball World Cup.
No they have not hosted the world cup ever.
no they have never ever been in the world cup
The FIFA world cup was hosted by Korea Republic & Japan
NO.
The World Cup will continue to be held ever four years for the forseeable future.
I think you mean to ask, "Did El Salvador ever win the world cup?" The answer is no, no CONCACAF team has won the World Cup.