Today

Cornerstone Festival, 10 a.m. to 2 p.m., Riverside United Methodist Church, 5 School St., Porter. With several activities, music, games and more. Call 625-4436 for details.

Sunday

Cornerstone rededication service, 9:15 a.m., Riverside United Methodist Church, 5 School St., Porter. To celebrate the 130th anniversary of the laying of the church cornerstone.

200th anniversary concert celebration, 3 p.m., with the Chancel Choir and friends, guest soloists and a brass choir. A champagne reception will follow the concert. A special anniversary worship service will be held at 9:30 a.m. Nov. 6. Both events take place at Foreside Community Church, Route 88, Cumberland. For more information, visit www.foresidechurch.org or call 781-5880.

Bobby Gross, author of the award-winning “Living the Christian Year,” will speak and sign books from 7 to 9 p.m., Stroudwater Christian Church, 1520 Westbrook St., Portland. Dessert and coffee and tea will be served. Books will also be available for purchase.

Thursday

“The Future of Marriage: An Interactive Dialogue,” 7 p.m., University of Southern Maine, Abromson Center, 88 Bedford St., Portland. Sponsored by the Bangor Theological Seminary, with presentations by the Rev. Kate Braestrup and Dr. Marvin Ellison, followed by discussion, dessert and book signings. The program is open to the public. Admission and parking are free.

Friday

Connected Catholics of Maine, 5:45 p.m., First Congregational Church, 3 Gray Road (Route 115), North Yarmouth. Monthly dining-out gathering for the chicken pie dinner. The cost is $12 per person. Call Louise at 926-5675 for more information.

Halloween Party for Kids, 5:30 to 7 p.m., Hope.Gate.Way United Methodist community, 185 High St., Portland. There will be costumes, crafts, snacks and games. For details, visit www.hopegateway.com.

Friday and Oct. 29

Haunted Church Tour, 7 to 10 p.m. both days, First Parish Church, 1 Church St., Gorham. Fifth annual event by the Youth Group to raise funds for its volunteer programs. The tour is not recommended for anyone under the age of 5, and all children under 10 require adult supervision. $4 for children and $6 for adults. Family price $20 (at least one adult and up to four children).

Oct. 29 and Oct. 30

“Being Salt and Light: Friends Living the Kingdom of God in a Broken World,” 6 to 9 p.m. Saturday and 9 to 10:30 a.m. Sunday, Portland Friends Meeting, 1837 Forest Ave., Portland. Guest speakers are Valerie Joy, executive director of Friends World Committee for Consultation, Asia and West Pacific, and Abel Sibonio, a Quaker pastor and refugee from Burundi. A donation is requested. Registration is required; visit www.fwccamericas.org or call Dorothy or Andrew Grannell at 878-8698. The program is being held in preparation for the World Conference of Friends, to be held in April in Kenya.