Wayne Post Send calendar submissions to yournews@messengerpostmedia.com by noon on Thursdays. Visit waynepost.com for a complete listing of calendar items. APRIL 9 American Red Cross blood drive: 1 to 6 p.m. April 9, Casey Park, 6551 Knickerbocker Road, Ontario. Participants must be ages 17 or older, 16 with parental consent, and bring ID. Visit redcross.org for information. APRIL 10 New York State Safe Boating Course: 8:30 a.m. to 5 p.m. April 10, Ontario Parks and Recreation, 6551 Knickerbocker Road, Ontario. For ages 10 and older. This course is required for anyone operating a personal watercraft and anyone born after Jan. 1, 1993, to operate any vessel. Registration required. For information: 315-524-7447.