Timeline summary It is interesting to see the differences between the letters of the DESTEP. These differences are most prominent in the gaps between years that the most happenings take place. For example, in sociology, the more important happenings in history happened way before the most important technological happenings. It is noteworthy that most of the events happened between the 1950’s and 1990’s. In these decades, most of the technological, sociological and economical events take place. It also appears that the most influential political passing’s happened in the 2000’s. It is interesting to see that certain events in one field can lead to others in another field. Apart from the time differences, there are different reasons for a trend to occur. In the timeline, each DESTEP factor is discussed and different happenings are responsible for the fact that this trends is now known. Each individual letter will now be attended to and the most prominent happenings will be named. Demographic: a lot of the history, which is important in this sector, has to do with pressures on age. Mostly, this pressure has to do with grey pressure. Apart from age issues, a large part of demography has to do with people moving to the city. This has repeated itself in the course of history. Economy: the two most important factors in this part of the DESTEP are work, wages and rules that have to apply to work, and the fact that the Netherlands joined the European Union. That took a few years to establish and had a large influence on the world and the Netherlands. Sociology: this part mainly focuses on the development of people over the years. This manifests itself in all the different movements there have been in the past years. These movements are, for example, responsible for birth control. Technology: in this part, it appears to be that a lot of inventions needed to take place to create the contemporary and modern society. The society in which people are depending on technology and due to past successes in technology, this will only grow. Ecology: there have been a lot of natural disasters in the past. The tendency, it seems, is that there has to be a disaster in order for people to see that action must be taken to save nature. A lot of the disasters caused a law to be made or caused people to be aware of their surroundings again. Politics: the events named in the timeline in this section have an obvious connection to technological developments. These technological developments create a more aggressive type of politics compared to the past. One must think about overhearing other politicians or influencing elections.