A brief summary of more than 48 known millenia in which humanity acted upon the Milky Way galaxy and potentialy also the Andromeda galaxy. All accounts end by the standard year of 48.809, specifically an event widely known as Cataclysm, which separated Station 27 from the rest of the universe. Relevant information is mainly centered around the Centarian empire and the The Interstellar Energy Crisis , which lead to the construction of Station 27.