1 Softball will be in full swing today for opening day of the 2016 prep fast-pitch season.
The action starts at noon with a three-way at Kingston. The Lady Redskins will entertain Dickson and Madill.
At 2 p.m., Sulphur will commence its season with a home game against Chandler.
At 5 p.m., Lone Grove welcomes Lexington to Glenn Wendt Field. Plainview hosts Marlow. Lindsay pays a visit to Davis.
In the final game of the day, Healdton makes the short drive to Wilson. First pitch is set for 6 p.m.

2 World War II history will be featured at noon Wednesday during a “brown bag” lunch in the Cherokee Strip Regional Heritage Center at Enid. Oklahoma Historical Society archivist Aaron Preston will discus the early history of Vance Air Force Base  in the 1940s. The event is part of the base’s 75th anniversary.
The center is located at  507 S 4th St.

3 The Rush Springs Watermelon Festival opens Thursday. This annual event celebrates the rush of local seasonal watermelons with watermelon-themed activities, including a seed spitting contest. Other events highlighting the three-day festival will be an arts and craft fair featuring over 100 vendors, carnival rides, live entertainment, stage shows, on-site food vendors and a classic automotive show. Activities begin daily at 9 a.m. and conclude at 9 p.m.
The festival has been an annual even since 1948, and has grown to more than 20,000 festival-goers each year. The festival will be in Jefferson Park, located east on Main Street.

4 The Chickasaw Nation is accepting applications for 72-hour photography competition that begins at 5 p.m.Friday and ends at 5 p.m. Aug. 15. Open to the public, student, amateur and professional photographers are encouraged to participate in the three-category competition.
Photographers may enter two photos. Digital editing technology, such as Photoshop or Light Box, is not permitted.
The entry fee is $30. Entry fees and the application deadline is Thursday. An application and full list of rules and guidelines are located at www.chickasaw.net.
To ask questions call (580) 272-5520 or e-mail photographycompetition@chickasaw.net.

5 Two photographers — Alex Emmons and Charles Rushton — will be showcased at concurrent solo exhibitions celebrated with opening receptions from 6 to 10 p.m. on Friday in MAINSITE Contemporary Art
Emmons exhibits “House & Garden, a series of camera-less cyanotypes on paper and fabric, initially inspired by the early plant specimen photographs of Anna Atkins. Rushton specializes in portraiture and has assembled “Oklahoma Stories.”
The exhibits are located at 122 E. Main, Norman.