In your current organization or one of your previous places of employment, what

In your current organization or one of your previous places of employment, what are some of the major efforts you saw around you that suggested or reflected the need for the use of project management? Examples could be the construction of a new department, the implementation of a new technological system, the introduction of a new service line, or the launching of a new advertising campaign.  
In your responses, elaborate on the following components:
Project size and its cost
The number of staff involved in the project
The involvement of outside contractors
The duration of time of the project
Was it successful?
Without professional project management, would the project have been successful?