We have changed how we collect and accept calendar information. Readers must now submit all items through our website.

Go to events.contracostatimes.com, and click on "submit your event." You'll have to register at this point and enter your event, but you don't have to pay. Submitting your event in this way will ensure it is part of our easily searchable online database, as well as a candidate for space in our publications.

PHS 30th Reunion. It's the last call for your tickets for Piedmont High School's class of 1984 30th reunion celebration from 6 to 11 p.m. June 21. Piedmont Community Hall, 711 Highland Ave. in Piedmont. $100. lpwillerup@ft.newyorklife.com or keithbarlow@sbcglobal.net.

Busy Bee Dogs. Think a dog can drive a car? Kids of all ages can find out when the playful pooches of Busy Bee Dogs stop by library to perform their amazing tricks. 7 p.m. June 23. Piedmont Avenue Branch, 80 Echo Ave., Oakland. Free. 510-597-5011. www.oaklandlibrary.org.

Red Cross Blood Drive. Summer is a challenging time to for blood and platelet donations. The American Red Cross is looking for folks who can help solve that challenge. 8:30 a.m. to 2:30 p.m. June 26. Kaiser Center, 300 Lakeside Drive, Oakland. 800-RED-CROSS, redcrossblood.org.


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Montclair Fine Arts Sidewalk Festival. Celebrate art in the outdoors when more than 80 artists from the Bay Area and beyond display their wares against the scenic backdrop of Montclair Village and the Oakland Hills. Presented by the Montclair Village Association. 10 a.m. to 6 p.m., June 27 and 28, and 10 a.m. to 5 p.m. June 29. Montclair Village, 2066 Antioch Ct., Oakland. Free. 510-339-1000, montclairvillage.com.