* Lectures for seniors: Broadmead, the continuing care retirement community, celebrates its 20th anniversary with notable speakers and Broadmead staff throughout October. Monday at 3 p.m.: Frances Hughes Glendening. Tuesday at 10 a.m.: Kurt L. Schmoke. Thursday at 1:30 p.m.: Julius Westheimer. Friday at 10 a.m.: P.M. Forni. Saturday at 10 a.m.: Broadmead's health-care and wellness staff. All lectures at Broadmead, 13801 York Road, Cockeysville. Free; advance tickets required. Call 410-785-7723.
* Computer classes: Beginner and intermediate classes will be offered Tuesday and through the fall at the Joseph SeniorLife Center, 430 S. Broadway. Eight sessions are $42. Call 410-732-5000 to register.
* Glen Meadows Retirement Community: Events through October include Y'All Tuesday. All shows at 7 p.m. at Glen Meadows' Great Hall, 11630 Glen Arm Road in Glen Arm. Free. Call 410-592-5310.
* Action-in-Maturity events: AIM sponsors a "55 Alive Driving Course" at 10 a.m. Tuesday and Thursday at 3838 Roland Ave. $8 for both classes. Flu shots will be offered at 9:30 a.m. Oct. 19 at 3838 Roland Ave. and 9:30 a.m. Oct. 20 at 3939 Roland Ave. $5; free for Medicare B recipients. The Scottish Rite Singers perform at 11 a.m. Oct. 18 at 3939 Roland Ave. Register by Wednesday. Learn to age well -- through the body, mind and spirit -- at a talk at 11 a.m. Oct. 22 at 3838 Roland Ave. Register by Oct. 20. Call 410-889-7915 for all events.
* Senior luncheon: Enjoy a buffet lunch for seniors and their families, see food displays by chef Don Berry of Vantage House, and tour the retirement community of Vantage House, 5400 Vantage Point Road, Columbia, at 1 p.m. Wednesday. Call 410-992-1241 for reservations for the buffet.
* Catonsville Senior Center: A variety of activities takes place through October at the center, 501 N. Rolling Road. Ballroom dancing with the Good Timers 1 p.m. Wednesday. $3 in advance. Flu shots 1 p.m. Friday. Free for Medicare B recipients; $17 for others. Pneumonia shots $32. Flower arranging workshop 10 a.m. Oct. 19. $2. Free dental screening 12:45 p.m. Oct. 19. Arthritis medication discussion 1 p.m. Oct. 20. Dream analysis 12:45 p.m. Oct. 22. Call 410-887-0900.
* Y2K talks: Learn about the ramifications of the coming millennium at lectures through October at the Senior Network of North Baltimore, 5828 York Road. On Friday at 2 p.m., a representative from the Federal Reserve Bank tells how to keep your money safe, and on Oct. 22 at 2 p.m., a representative from the American Red Cross tells how to prepare for an emergency. Free. Call 410-323-7131.
* Senior expo: Health screenings, assisted living seminars, job fair, food concessions, live entertainment, more, at the "50+ Expo '99" from 10 a.m. to 8 p.m. Oct. 22 at Wilde Lake High School, 5460 Trumpeter Road, Columbia. Free; nominal charge for some health screenings. Call 410-313-6410.
* Art show: A judged showing of works by Howard County Art Guild members will be on view through Oct. 28 at the Florence Bain Senior Center, 5470 Beaver Kill Road, Columbia. Open from 9 a.m. to 5 p.m., Monday through Friday. Call 410-730-6257
* Program for Alzheimer's Disease patients: Adults ages 40 to 65 who are living with Alzheimer's disease and other forms of dementia can join the support group Morning Out Club every Monday and Wednesday from 10 a.m. to 2 p.m. for coffee, conversation, an excursion to an area attraction and lunch. The club is staffed by Keswick Adult Day Care professional and trained volunteers. Call 410-662-4310 for details.
* Tai chi for seniors: Classes every Tuesday from 3:30 p.m. to 4:30 p.m. at Senior Network of North Baltimore, Harry and Jeanette Weinberg Center for Retired Persons, 5828 York Road. $12 for a 12-week session. Call 410-323-7131. Tai chi classes are also offered from 1 p.m. to 2 p.m. Mondays at Roland Park Place, 830 W. 40th St. $12 for 10 sessions. Sponsored by Action-In-Maturity. Call 410-889-7915. Also, tai chi classes are offered Thursdays at 9:30 a.m. at the Overlea Fullerton Senior Center, 4314 Fullerton Ave. $20 for 10 sessions. Call 410-887-5220 to register.
* Photography exhibit: Photography and art by retired professional and amateur artisans will be on display through November at Broadmead retirement community, 13801 York Road. Hours are 11 a.m. to 4 p.m., Monday through Friday. Free. Call 410-785-7723.
* Senior classes: The Jewish Community Center of Greater Baltimore's new Helene and Leslie Moses Institute for Lifelong Learning, for men and women ages 55 and over, has just opened its doors and offers classes, programs, field trips, social activities and events at both JCCs throughout the year. Call 410-356-5200, Ext. 324.
* Computer whizzes needed: Computer teachers are needed to offer instruction to seniors at day and evening classes at the Pikesville Senior Center, 1301 Reisterstown Road. Call 410-887-1245
* Legal services: The Bar Association of Baltimore City and the Baltimore City Commission on Aging and Retirement Education offer free legal service for city residents ages 60 and over. Call 410-396-1322 between 10 a.m. and 4 p.m. Monday through Friday.
For calendar listings, please send typed news releases four weeks in advance to Lori Sears, Features, The Sun, 501 N. Calvert St., Baltimore 21278.