arrive (up)on the scene
1. To reach a destination, usually as something is happening there. When did the police arrive on the scene? By the time I arrived upon the scene, Kate and Jen were already arguing.
2. slang To come into existence or to be born. Funk music arrived on the scene in the 1960s. We are overjoyed to announced that our baby daughter arrived on the scene at 11:37 last night.