What are the important events that occurred in the meseozoic era?

The Mesozoic Era, spanning from approximately 252 to 66 million years ago, is marked by significant geological and biological changes. It is divided into three periods: the Triassic, Jurassic, and Cretaceous. Key events include the rise and dominance of dinosaurs, the emergence of mammals and birds, and the formation of supercontinents like Pangaea, which began to break apart during this era. The Mesozoic ended with the mass extinction event around 66 million years ago, likely caused by an asteroid impact, leading to the extinction of the dinosaurs and many other species.