Wild Ones gather in Elgin:

Northern Kane County Wild Ones host a two-day event this week. Meet at 7 p.m. Thursday at Hawthorne Hill Nature Center, 28 Brookside Drive, Elgin, to hear local naturalist Jack Shouba describe the ecosystem of Illinois Beach State Park in Zion. Meet at 7:30 a.m. Saturday at Christ the Lord Lutheran Church, 12N462 Tina Trail, Elgin, and carpool to the park to meet Shouba and explore the area. For information, go to facebook.com/NKWildones or northernkanecounty.wildones.org or email nkwildones@gmail.com.

Learn about Vietnam:

The 2/327th Vietnam Re-enactment Group invites the community to its first “Return to the A Shau: A Vietnam Living History Event” from 10 a.m. to 6 p.m. Saturday and 9 a.m. to 4 p.m. Sunday at Camp Big Timber, 37W955 Big Timber Road, Elgin. It will feature displays showcasing the uniforms, weapons and gear used during the war. There will be battle re-enactments at noon and 3 p.m. each day. There will be vendors selling military related items. For re-enactors, there will be a complimentary free dinner on Saturday evening. Admission is $5 per person or free for veterans and kids 5 and younger. Visit facebook.com/327NoSlack/.

Library to open in South Elgin:

The South Elgin branch of the Gail Borden Public Library opens at 2 p.m. Sunday. There will be a ribbon-cutting ceremony, music, ice cream, entertainment and a tour of the new library, 127 S. McLean Blvd. Visit gailborden.info/southelgininfo.

Songwriter workshop:

The Summer Songwriter Workshop and Performance Series is a collaboration of the Fox Valley Music Foundation, Aurora Public Library West Branch, and the Batavia Public Library. Each free program in the six-part series features a professional musician explaining his songwriting methods followed by a live performance. Noah Gabriel will be featured from 1 to 3 p.m. Saturday at the Batavia Library, 10 S. Batavia Ave. Two more workshops will be offered in August. Registration is not required. Visit fvmf.org or call the library reference desk, (630) 879-1393, ext. 200.

Jaguar Club meets in Wayne:

The Illinois Jaguar Club conducts its Concours d’Elegance, a display of more than 35 Jaguar automobiles, from 11 a.m. to 3 p.m. Saturday at the Dunham Woods Riding Club, 33W333 E. Army Trail Road, Wayne. Some of the cars are more than 60 years old and in perfect “showroom” condition. There is no charge for the show. Visitors are welcome to wander over the show field and ask questions of the Jaguar owners displaying their autos. There is ample parking at Dunham Woods. Just follow the arrows to the parking area. Visit ijc.clubexpress.com.

Geneva Arts Fair to open:

The annual Geneva Arts Fair is 10 a.m. to 5 p.m. Saturday and Sunday along Third and State streets in downtown Geneva. The juried show features more than 150 artists and draws a crowd of more than 20,000. Admission is free and includes a children’s art area with special activities. Visit genevachamber.com.