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Events and Things to do in Diamond Bar, CA

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Heartsaver First Aid - American Heart Association | Ontario, CA
Sunday at 3:00 PM + 7 more
Ontario · 4710 Ontario Mills Pkwy
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Heartsaver First Aid - American Heart Association | Ontario, CA
Sunday at 3:00 PM + 7 more
Ontario · 4710 Ontario Mills Pkwy
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First Aid - Red Cross BL | Ontario, CA
Sunday at 3:00 PM + 7 more
Ontario · 4710 Ontario Mills Pkwy
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First Aid - Red Cross BL | Ontario, CA
Sunday at 3:00 PM + 7 more
Ontario · 4710 Ontario Mills Pkwy
Stilo Rolas Funk and Oldies Concert With Brunch and Dance Floor
Sat, Jun 20, 12:00 PM + 83 more
Fullerton · Chako's Social
Stilo Rolas Funk and Oldies Concert With Brunch and Dance Floor
Sat, Jun 20, 12:00 PM + 83 more
Fullerton · Chako's Social
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Downtown Santa Ana Historic Architecture Tour
Saturday at 10:00 AM
Santa Ana · Old Orange County Courthouse
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Downtown Santa Ana Historic Architecture Tour
Saturday at 10:00 AM
Santa Ana · Old Orange County Courthouse
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Maná LIVE in Anaheim 2026 | Vivir Sin Aire Tour at Honda Center
Friday at 7:30 PM
Anaheim · Honda Center
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Maná LIVE in Anaheim 2026 | Vivir Sin Aire Tour at Honda Center
Friday at 7:30 PM
Anaheim · Honda Center
Just added
Summer solstice Women’s retreat
Sat, Jun 20, 10:00 AM
Orange · Private Road
Just added
Summer solstice Women’s retreat
Sat, Jun 20, 10:00 AM
Orange · Private Road
As One Marriage Conference - “The Beginning”
Fri, Jul 17, 11:00 AM
Cerritos · Cerritos Center for the Performing Arts
As One Marriage Conference - “The Beginning”
Fri, Jul 17, 11:00 AM
Cerritos · Cerritos Center for the Performing Arts
Heartsaver Pediatric - American Heart Association | Anaheim, CA
Tue, Jun 9, 4:30 PM + 7 more
Anaheim · 1475 S State College Blvd #114
Heartsaver Pediatric - American Heart Association | Anaheim, CA
Tue, Jun 9, 4:30 PM + 7 more
Anaheim · 1475 S State College Blvd #114
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ACLS Provider - American Heart Association | Anaheim, CA
Friday at 2:00 PM + 2 more
Anaheim · 1475 S State College Blvd #114
Sales end soon
ACLS Provider - American Heart Association | Anaheim, CA
Friday at 2:00 PM + 2 more
Anaheim · 1475 S State College Blvd #114
Sales end soon
ACLS Update (Renewal) - American Heart Association | Anaheim, CA
Friday at 2:00 PM + 2 more
Anaheim · 1475 S State College Blvd #114
Sales end soon
ACLS Update (Renewal) - American Heart Association | Anaheim, CA
Friday at 2:00 PM + 2 more
Anaheim · 1475 S State College Blvd #114
Sales end soon
Maná LIVE in Anaheim 2026 – A Night of Latin Rock Legends at Honda Cente
Saturday at 8:00 PM
Anaheim · Honda Center
Sales end soon
Maná LIVE in Anaheim 2026 – A Night of Latin Rock Legends at Honda Cente
Saturday at 8:00 PM
Anaheim · Honda Center
PALS Update (Renewal) - American Heart Association | Anaheim, CA
Monday at 8:00 AM
Anaheim · 1475 S State College Blvd #114
PALS Update (Renewal) - American Heart Association | Anaheim, CA
Monday at 8:00 AM
Anaheim · 1475 S State College Blvd #114
PALS Provider - American Heart Association | Anaheim, CA
Monday at 8:00 AM
Anaheim · 1475 S State College Blvd #114
PALS Provider - American Heart Association | Anaheim, CA
Monday at 8:00 AM
Anaheim · 1475 S State College Blvd #114
Lithomancy
Tue, Jun 16, 7:30 PM
Orange · 1010 N Batavia St unit h
Lithomancy
Tue, Jun 16, 7:30 PM
Orange · 1010 N Batavia St unit h
Modern Management Skills – Intensive 1 Day Learning Event in Fullerton, CA
Thu, Jun 11, 9:00 AM
Fullerton · Regus - Brea - Brea Campus
Modern Management Skills – Intensive 1 Day Learning Event in Fullerton, CA
Thu, Jun 11, 9:00 AM
Fullerton · Regus - Brea - Brea Campus
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Bollywood Afternoon Tea by Chaiwale & Co.
Sunday at 12:00 PM + 31 more
Orange · 177 N Glassell St
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Bollywood Afternoon Tea by Chaiwale & Co.
Sunday at 12:00 PM + 31 more
Orange · 177 N Glassell St
Practical Management Skills – 1 Day Training in Fullerton, CA
Thu, Jun 11, 9:00 AM
Brea · Regus - Brea - Brea Campus
Practical Management Skills – 1 Day Training in Fullerton, CA
Thu, Jun 11, 9:00 AM
Brea · Regus - Brea - Brea Campus
Going fast
Noche de Lucha
Friday at 6:00 PM
Santa Ana · Heritage Museum of Orange County
Going fast
Noche de Lucha
Friday at 6:00 PM
Santa Ana · Heritage Museum of Orange County
Fresh Outpour : JUNE 4 - 7
Thursday at 6:00 PM + 1 more
Rancho Cucamonga · Fountain Of Truth Apostolic Church
Fresh Outpour : JUNE 4 - 7
Thursday at 6:00 PM + 1 more
Rancho Cucamonga · Fountain Of Truth Apostolic Church
Just added
THE CAMO COOKOUT
Sat, Jun 20, 3:00 PM
Rancho Cucamonga · Epic Events Center
Just added
THE CAMO COOKOUT
Sat, Jun 20, 3:00 PM
Rancho Cucamonga · Epic Events Center

Trends in Diamond Bar

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Frequently asked questions about Diamond Bar

What are the best events to attend?

According to Eventbrite, the best events are:

Heartsaver First Aid - American Heart Association | Ontario, CA

First Aid - Red Cross BL | Ontario, CA

Stilo Rolas Funk and Oldies Concert With Brunch and Dance Floor

Downtown Santa Ana Historic Architecture Tour

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

living trust and estate planning seminar

free kids event

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Fresh Outpour : JUNE 4 - 7

ACLS Provider - American Heart Association | Anaheim, CA

ACLS Update (Renewal) - American Heart Association | Anaheim, CA