For historical reasons, especially because of the century-long subordination to the House of Habsburg, a great part of the Luxembourgish population is formally a member of the Roman Catholic Church (2002: 94%[4]).

This was partially stimulated by several events, such as the debate on Catholic Church sexual abuse or the Grandduke's religiously motivated refusal to sign a euthanasia bill adopted by Parliament.

[7] Meanwhile, a lot of people were increasingly estranged by the Church's belief system, and yet were still members of it, solidifying the current situation.

It intended to unite the hitherto scattered organised activities by humanist, atheist, agnostic, skeptical and secularist thinking people into one force.

A questionnaire action held in April 2011, in which the MPs were asked about their opinion on the financial separation of church and state, as well as a philosophically neutral moral education in schools, was answered by members of all factions except the CSV.

it sought to persuade people to no longer hide their nonbelief in religious ideas, but to publicly stand up for it.

Parliamentarians from The Greens, The Left, the LSAP and the Democratic Party asked Transport Minister Claude Wiseler whether, and if so why, the campaign would be interrupted.

Because the campaign fell within the constitutionally enshrined freedom of expression, however, the government would not have been able to prohibit it; only the transport companies could refuse or cancel advertisements, and they saw no reason to do so.

In its present form, the Constitution goes back to the situation of 1868, and important societal and political actors consider it to be outdated and no longer fitting current times.