Tuesday

“Protecting Your Property: Hot Topics in Estate and Retirement Planning for Real Estate Investors,” 7:30 to 9 a.m., Maine Real Estate & Development Association program at the Clarion Hotel, 1230 Congress St., Portland. Cost is $55 for members and $65 for nonmembers. Visit mereda.org for details.

Wednesday

“Lean Startup: Move Your Ideas Into Action,” 2 to 5 p.m., workshop at SCORE Offices, 100 Middle St., Portland. Cost is $35 with online registration. For details and registration, visit scoremaine.com or call 772-1147 weekday mornings.

Thursday

HR Day for Human Resources Professionals, 9 a.m. to noon, second date added to update businesses with Maine labor law compliance. Held at Maine Department of Labor, Florian Hall, Central Maine Commerce Center, 45 Commerce Drive, Augusta. The program is free and space is limited. Registration is required at http://bit.ly/12sdSc0.

Day One 41st annual celebration, 6 p.m., with former Super Bowl champion New England Patriot defensive lineman Chris Sullivan and his wife, Kathi, as keynote speakers. Held at Marriott at Sable Oaks in South Portland. Community members being honored are Cheverus High School educator and football coach John Wolfgram; Cape Elizabeth educator and adult facilitator of Day One’s Natural Helpers of Maine program Andrea Cayer; and City of Portland community health promotion specialist Shelby Briggs. Tickets are $65 and are available in advance at dayone41.eventbrite.com, day-one.org or by calling 767-0991 for more information.

Lewiston-Auburn Rotary Club, 6 p.m., dinner with presentation by Dr. Jean Rigaud Amilcar Antoine, past president of a Rotary Club in Port-au-Prince, Haiti, who will give an update on a water truck funded by the L-A club. Held at the Ramada Inn, Lewiston. Cost is $15, including the dinner buffet. RSVP to CWilson@AndroscogginBank.com. More information is available at lewistonauburnrotary.org.

Friday and Saturday

National Federation of the Blind of Maine, annual conference, with networking and pool party from 4 to 10 p.m. Friday, and the conference from 8 a.m. to 5 p.m. Saturday. Joe Ruffalo from the national organization is the featured speaker. Held at Hilton Garden Inn, 14 Great Falls Plaza, Auburn. Cost is $35, which includes coffee and pastry in the morning and pizza buffet lunch. For more information and to reserve tickets or table space, call Faith Armstrong at 330-4780.

Saturday

Maine Media Women, 9:30 to 11:30 a.m., round-table meeting at the Mobius Center, Main Street (Business Route 1), Damariscotta. Open to women involved in creative pursuits. A $10 donation will be collected at the door. For more information, contact Genie Dailey at 549-5518 or at finepoints1@aol.com.