Can you still remember the assassination of Indira Gandhi in 1984, or the Dutch royal state visit to Indonesia in 1971? These are only a few of the dramatic events covered by Hans Beynon, whose archive of 7.000 photos was recently donated to the Leiden University Libraries (UBL) by his family.

In November, the Dutch will elect a new parliament. Not all eligible citizens will go out and vote, however. How can this be explained, and how big of a problem is it? International research into voter turnout can shed new light on this issue – and offer possible solutions.