) * Admiral Mark Jameson is diagnosed with Iverson's Disease. (TNG: "Too Short a Season" ) * Worf and K'Ehleyr separate because neither feel ready to engage in a deep relationship. (TNG: "The Emissary" ) * Deanna Troi graduates from Starfleet Academy. (TNG: "Conundrum" ) * Piri is born. (VOY: "The Chute") * Dr. Bathkin dies in a shuttlecraft accident. (DS9: "In the Cards") * William T. Riker begins practicing Nightbird on his trombone. (TNG: "Second Chances" )