(CNN) Violent attacks on Sikhs spiked after September 11, 2001. The following are some of the incidents reported as hate crimes:

September 15, 2001: Balbir Singh Sodhi, a 49-year-old Sikh man in Mesa, Arizona, is shot and killed outside his gas station. The shooter, Frank Silva Roque, sought revenge for the 9/11 attacks and mistook Sodhi for a Muslim.

October 2001: While stopped at a red light in San Diego, Swaranjit Kaur Bhullar is stabbed by two men on a motorcycle who say: "This is what you get for what you've done to us."

November 18, 2001: Three teens burn down a gurdwara, or temple, named Gobind Sadan in Palermo, New York, because they thought it was named for Osama bin Laden.

December 12, 2001: Surinder Singh Sidhu is beaten with metal poles by two men who walk into his Los Angeles liquor store and accuse him of being Osama bin Laden. Sidhu had taken to wearing American flag turbans after 9/11.

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