Kor

2260s: Achieved the rank of commander, assigned to a Klingon warship
2267: Led a battalion in an invasion & occupation of Organia; neutralized by them
2271: Achieved a great victory over the Romulans at the Battle of Klach D'kel Brakt
2280s: Part of the team that stopped the Albino from raiding Klingon colonies;
2345: Member of the Oversight Council for the Klingon Defense Forces
2370s: Served as the Klingon ambassador to Vulcan
Got Worf to get him commissioned aboard the IKS Ch'Tang, as 3rd officer

Descended from Klingons affected with the augment virus, cured by the 2270s
Head of the House of Kor, descended from the Klingon Imperial Family
Son was later infected with a genetic virus by the Albino & died
2370: Attacked the Albino with Koloth, Kang & Dax, got vengeance for his son’s murder
2372: Helped find the Sword of Kahless, set it adrift to protect the empire