Execute multiple cURL requests at the same instant

Using shell or BASH, how can I initiate three http requests using cURL at exactly the same time?  I want all requests to be initiated at the same time.  No response is needed.

curl -s --request GET 'http://www.example.com/?q=1' >/dev/null
curl -s --request GET 'http://www.example.com/?q=2' >/dev/null
curl -s --request GET 'http://www.example.com/?q=3' >/dev/null

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