Heb Sed
The "Sokar festival" is – alongside the Sed festival – one of the oldest festivals. It is already mentioned on predynastic artefacts and often mentioned on ivory labels belonging to the kings Scorpion II, Narmer, Aha and Djer. The early forms of this feast included the creation of a ceremonial rowing boat with a cult image of the god Sokar. The boat was then pulled by the king to a sacred lake or to the Nile. Another ritual was the erecting of a richly loaded djed-pillar. In early times, the feast was celebrated during the coronation in attempt to mark the (physical or symbolic) death of the predecessor, from 2nd dynasty onwards, the Sokar feast was repeated every sixth year, the fifth celebration coincided with the Sed festival. As far as is known, the ceremony of the Sokar feast was connected as well to the coronation of a new king as to the foundation of his future tomb. Sokar was the god of the underworld and one of the holy guardians of royal cemeteries.