Simplify the following text for a Grade 11 native English-speaking person.
Original: In the 9th century , during the great movement termed the Carolingian Renaissance , these Annals became the usual form of contemporary history ; it suffices to mention the Royal Frankish Annals , the Annales Fuldenses , the Annales Bertiniani , the Annales Laureshamenses ( or `` of Lorsch '' ) , officially compiled in order to preserve the memory of the more interesting acts of Charlemagne , his ancestors and his successors .
Simplified: In the 9th century , during the Carolingian Renaissance , these Annals became the usual form of contemporary history . There were the Annales Einhardi , the Annales Laureshamenses ( or `` of Lorsch '' ) , and the Annales S. Bertini .