The division into language areas was included in the Belgian Constitution in 1970.

Also, in 1967 an official Dutch version of the Belgian Constitution was adopted.

The Belgian Constitution determines which laws require a qualified or special majority.

Currently, section 181 of the Belgian Constitution provides as follows:

Nevertheless, it became one of the elements that formed the Belgian Constitution of 1831.

The Belgian Constitution provides that all cases involving the most serious crimes be judged by juries.

These were the last elections before the new 1993 Belgian Constitution, which turned Belgium formally into a federal state.

He was, in 1831, one of the authors of the Belgian Constitution.

The division into provinces is fixed by Article 5 of the Belgian Constitution.

The duties of the king are laid out by the Belgian Constitution and other laws enforced under it.