The Pier Avenue restaurant is one of the most popular fast food outlets in Clacton, selling burgers, chicken nuggets and its iconic Happy Meals. To mark the milestone, there will be a celebratory event on January 31, at McDonald's between 11am and 3pm. Staff will be dressed to celebrate and the unit will be decked out in anniversary attire. Open - the Clacton McDonalds team when it first opened in 1985 (Image: McDonalds)Boss Craig Newnes said: "As the franchisee of Clacton McDonald's I'm proud to be celebrating our 40th year trading in Clacton. "I'm so proud of my team of staff and managers at Clacton and want to thank the community for supporting our business over the past 40 years."