BORN. To Lucie Désirée Arnaz, 29, actress (Broadway's They're Playing Our Song) and daughter of Lucille Ball and Desi Arnaz, and her husband of six months, Actor Laurence Luckinbill, 46: a son, her first, his third; in Los Angeles. Name: Simon Thomas. Weight: 8 Ibs. 6½ oz.
DIVORCED. Erik Estrada, 31, star of the TV show CHIPS; and Joyce Miller Estrada, 40; after one year of marriage (which cost Erik a settlement of $2,740 a month for the next four years), no children; in Los Angeles.
DIED. John Lennon, 40, former Beatle whose singing, songwriting and social activism left a lasting imprint on...