Changes: 2557

February 21: Public commissioning of the UNSC Infinity.^[1]
July 21: The First Battle of Requiem begins.^[2]
Late July: The New Phoenix Incident occurs shortly before the Ur-Didact's death.
December 5: The AI Roland is activated on Earth.^[3]

Sources

@@ Line 2: / Line 2: @@
 {{Timeline}}
-===February===
-*'''February 21''': Public commissioning of the ''[[UNSC Infinity]]'' {{Citation needed}}
-===July===
 [[File:Scorpians under infinity.jpg|thumb|right|250px|The closing hours of the [[First Battle of Requiem]].]]
+*'''February 21''': Public commissioning of the {{UNSCShip|Infinity}}.<ref>''[[Halo 4 Limited Edition]]''</ref>
 *'''July 21''': The [[First Battle of Requiem]] begins.<ref>[http://gameinformer.com '''GameInformer''' - ''Issue May 2012'']</ref>
-*'''Unknown date''': The [[New Phoenix Incident]] occurs shortly before the [[Shadow-of-Sundered-Star|Ur-Didact's]] death.
+*'''Late July''': The [[New Phoenix Incident]] occurs shortly before the [[Shadow-of-Sundered-Star|Ur-Didact's]] death.
+*'''December 5''': The [[Artificial intelligence|AI]] [[Roland (AI)|Roland]] is activated on [[Earth]].<ref>''[[Halo 4: The Essential Visual Guide]]'' – page 19</ref>
 ==Sources==