def get_until_date(chat_id, date):
 
    last_offset_id = 0
    all_messages = []
 
    while 1:
        try:
            messages = app.get_history(

                chat_id = chat_id,
                offset_id = last_offset_id

                )

            last_offset_id = messages[-1].message_id

            for msg in messages:
                if msg.date >= date:
                    all_messages.append(msg)
                else:
                    break

            else:
                continue

            break


        except FloodWait as e:
            print(f"Sleeping for {e.x}")
            time.sleep(e.x)

        else:
            break

    return all_messages