March 23rd 3003 is known on Tamar as Victory Over the Dragon Day, "Sieg über den Drachentag", or more informally as Yellow Katana Day.

It's the date when the remnants of 8 or so Kuritan DCMS mech regiments (including the 6th Sword of Light) and their supporting elements fled Tamar rather than risk utter destruction. It marks one of the greatest retreats in Combine history... and by far the best documented... the whole Inner Sphere was watching. Despite the best efforts of the DCMS and the ISF, the recently ascended Coordinator Miyamoto Kurita could not avoid losing face, especially since it came at the heels of the honorable disaster on Waldorff, and the slaughter of Duke Ricol's expeditionary force. Indeed, such was the shame involved that the Coordinators nickname, "the Young Dragon", took on a much more negative connotation.

From 3004 on the day was celebrated with parades and fireworks. The commoners took to waving yellow banners and streamers, or wore a yellow garment or decoration.