Institution Saint Michel: Collège and Lycée (French pronunciation: [ɛ̃stitysjɔ̃ sɛ̃ miʃɛl] ⓘ) is a Catholic secondary school with boarding facilities located in Solesmes (Picard: Solinmes), France.

In the early Middle Ages, the Diocese of Cambrai (Lotharingia) was first ruled by West Frankish sovereign Charles the Bald in accordance with the implementation of the Treaty of Meerssen (870).

[4] Among, the plethora of Diocese of Cambrai' most conspicuous individuals are found Charles the Good (1084–1127); poet and author François de la Mothe-Fénelon (1651–1715); French Academy philosopher Gratry (1805–1872) and composer Guillaume Dufay (1397–1474).

On May 9, at around 8:15 am, the air alert loud sirens prompted all children who went to school to go back home and around 10:15, two explosions were heard as four bombs were accidentally detached from the freight deck of an aircraft and landed on the Chemin de Vertigneulof the Institution Saint-Michel causing the first victims.

Seventy bombs exploded in the city-center killing fifty-eight people including twenty-two children and the destruction of ninety-seven buildings while the wounded were transferred to the hospital of Le Cateau.