There are personal events (e.g., birthdays), political/governmental events (MLK Jr. Day), and there are religious events. The latter depends solely on which religion you might be asking about. You will need to clarify in another WikiAnswers question.
People today remember and celebrate events of the past because they are thankful for whatever happened that caused the event.
Christians celebrate three essential events: Good Friday, Easter and Christmas. In addition, there are several other events during the year which are important, depending on the Christian denomination. Some denominations celebrate events such as Epiphany, Harvest Thanksgiving, Pentecost, Advent, the Reformation (Lutherans) and remember (not "celebrate") events such as Ash Wednesday and Lent.
Indian tribes celebrate many spiritually related events with festivals and rituals. They celebrate with ceremonies for the seasons, healing and harvests.
Because they have to celebrate .
It is so important to celebrate national events because that is what change history big time and you get days off of school for it.
We celebrate to mark important events, achievements, or traditions, and to bring people together in joy and unity.
the special events they celebrate research it
By writing them in a journal.
It is important to remember tragic events in history because it can help us prevent things from happening once again.
looking for event to celebrate the virgin mary
The Tlingit hold potlatches to celebrate important events in their lives.
They celebrate events differently depending on the holiday.