The 4th Birthday (2013 event) was an event on FarmVille. It was originally started on May 20th, 2013 and lasted until June 18th, 2013. Due 4th birthday celebration FarmVille gave players new gift each day during 30 days. If you miss to claim some gift you can bought it with . Each week have rewards that are characteristic to some FarmVille year - week 1 rewards are specific to FarmVille year 1 and so on.