Class 2

using System;
using System.Xml.Serialization;
using System.Collections.Generic;
namespace XmlResponses
{
    [XmlRoot(ElementName="EVENT")]
    public class EVENT {
        [XmlElement(ElementName="TIMESTAMP")]
        public string TIMESTAMP { get; set; }
        [XmlElement(ElementName="TEXT")]
        public string TEXT { get; set; }
        [XmlAttribute(AttributeName="id")]
        public string Id { get; set; }
    }

    [XmlRoot(ElementName="HAPPENINGS")]
    public class HAPPENINGS {
        [XmlElement(ElementName="EVENT")]
        public List<EVENT> EVENT { get; set; }
    }

    [XmlRoot(ElementName="WORLD")]
    public partial class WORLD {
        [XmlElement(ElementName="HAPPENINGS")]
        public HAPPENINGS HAPPENINGS { get; set; }
    }

}