Short answers, pulled from the story.
The Serbia and Montenegro national football team played their first match on the 23rd of December 1994 in Porto Alegre, Brazil. They lost that friendly game 2 to 0 against Brazil.
Slobodan Santrač became the first manager of the new squad formed by the Federal Republic of Yugoslavia. He had previously been a player for the old Yugoslav national team.
A highly anticipated game against Croatia ended 0 to 0 after being interrupted by a power outage in the second half. An injury-time equalizer from Ireland allowed them to qualify automatically with a 2 to 2 draw against Croatia in Zagreb.
Political turmoil inside the country caused Ilija Petković to resign after just one match. Milovan Đorić took over next but could only manage two draws before a three-man commission stepped in temporarily.
Montenegro declared independence on the 3rd of June 2006 following a referendum. The team competed in the tournament representing a state that no longer existed until their elimination.