Catholics celebrate Holy Week to remember what happened before Easter, before Christ rose from the dead: the Last Supper, Christ's passion and suffering, and finally his death. They try to remember that, not only is Christ's triumph over death important, but so is his terrible suffering and sacrifice as well.
Couple problems with your question, there is no "Roman Catholic", it's just Catholic, the Roman is a popular and not very nice appellation from protestant England. Secondly, there are not "holy weeks", just Holy Week. Holy Week is the popular name for the seven days from Palm Sunday/Passion Sunday, Holy Monday, Holy Tuesday, Holy Wednesday, Holy Thursday (Maundy Thursday), Good Friday, and Holy Saturday: you can see where Holy Week got its name!
This week is very important as it reminds us of Jesus and his suffering and death and resurrection.
It signifies Jesus dying for our sins and then being ressurected. This is also partial "proof" that Jesus was the Messiah.
We observe Holy Week, we do not celebrate it. It is the week when we remember the passion and death of Our Lord.
Yes, They do it.
Not all of spain celebrate holy week the same way because of the traditions, such as the ball of wax.
Colombians celebrate holy week,festival of Bogota
because its an excuse to take time off.
Holy Week is the last week of Lent leading to Easter Sunday. Palm Sunday signals the start of holy week with the celebration of the blessing of the palms. In the Philippines, there are different traditions to celebrate the holy week particularly Maundy Thursday, Good Friday and Easter Sunday. Angono is known for its special traditions during holy week
We celebrate Christmas of course, Easter and holy week, for the most part these are the ones agreed on.
Semana Santa (Holy Week) is a Christian holiday. However it is more heavily celebrated by the Roman Catholic Church. Since all Spanish speaking countries are predominantly Catholic they all celebrate Holy Week.
they celebrate some good holidays that we celebrate today in America
In some places the bishop consecrates the sacred oils at the Chrism Mass on Tuesday of Holy Week when it is not practical to do so on Holy Thursday ON Wednesday some churches celebrate the tradition of Tennebrae, a time of prayer to recall and eliminate the evils in the world
people who want to celebrate it
they celebrate their gods