Board Thread:Discussions/@comment-32600226-20190409175558/@comment-32600226-20190425163218

875.M41 Tau first reach southern edge of Vigilus sector and start terraforming planets to settle

884-889.M41 Tyranid fleet attacks several imperial planets in the north of Vigilus sector and require the full might of the Battlefleet Vigilus to confront

885.M41 colonies are established on newly terraformed Tau planets in south Vigilus and planetary defenses are built

889.M41 Last Tyranids are finallly burned out of the Vigilus sector, with the Shadow in the Warp reduced, the warp storm Heart of Darkness begins acting up. Rumors of Necrons reach the sector.

895-902.M41 Imperials discover Tau presence in the sector, before the Imperium can organize a war to take the Tau planets, Tyranids make a reappearance forcing the sector forces to confront them instead.

902-903.M41 Tyranids defeated for second time, but leave the Imperial forces devestated. Tau begin trying to convince Imperial planets to join the Tau Empire and war breaks out between Imperium's sector forces and Tau forces. Imperials, devestated by the battles with the Tyranids are unable to take the Tau colonies and a stalemate is reached. A ceasefire treaty is made as both sides quit the fight, both building up forces for when treaty is inevitably broken. Sector forces calls requests for aid either ignored, or countered with other Imperial calls for aid.

As for Nexus's proposal, it's perfectly all right for his chapter to make some appearances. While there are no perament Astartes forces in the sector, it doesn't mean they can't show up to help once in a while. Make sure though they aren't stealing the spotlight as the main focus for imperial forces will be on AdMech, PDFs, and Guard regiments.

Now none of the dates are set in stone and can be changed if people think other dates would be better.