In Oak Creek, the local Sikh community would be organising the fourth annual Chardhi Kala 6K Run/Walk, blood drive, and food drive on August 6.
On Sunday the victims' families are expected to speak at a function.
"We hold this event to bring communities together, to bring people of various backgrounds together to show them who we are and to learn who they are in hopes of creating a stronger bond and preventing something like the August 5, 2012 shooting to ever happen again," said Navi Singh Gill, founder of the Chardhi Kala 6K event, and son of one of the founding members of the Sikh Temple of Wisconsin.
"If we don't bring people together because of fear, then we are cowards and have no business calling ourselves Sikhs," he said.
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Six Sikhs were killed and three more were wounded, along with an Oak Creek police officer, when a white supremacist filled with hate and armed with a gun attacked the Oak Creek Sikh Temple in Wisconsin.
Responding officer Lt. Brian Murphy was shot fifteen times before the shooter was brought down.
Congressman Donna Edwards in a tweet urged people to honour the six victims and four survivors by acting to end gun violence.
"Oak Creek reminds us all that backlash targets Sikhs, South Asians, Muslims, Arabs," said Sikh Coalition.