diff --git a/src/main/java/de/fanta/challenges/events/PlayerCountChangedEvent.java b/src/main/java/de/fanta/challenges/events/PlayerCountChangedEvent.java
new file mode 100644
index 0000000..d94336f
--- /dev/null
+++ b/src/main/java/de/fanta/challenges/events/PlayerCountChangedEvent.java
@@ -0,0 +1,28 @@
+package de.fanta.challenges.events;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public class PlayerCountChangedEvent extends Event {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private int count;
+
+    public PlayerCountChangedEvent(int count) {
+        this.count = count;
+    }
+
+    public int getCount() {
+        return count;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+}
diff --git a/src/main/java/de/fanta/challenges/events/ServerStatusChangedEvent.java b/src/main/java/de/fanta/challenges/events/ServerStatusChangedEvent.java
new file mode 100644
index 0000000..52c306f
--- /dev/null
+++ b/src/main/java/de/fanta/challenges/events/ServerStatusChangedEvent.java
@@ -0,0 +1,28 @@
+package de.fanta.challenges.events;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public class ServerStatusChangedEvent extends Event {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private boolean online;
+
+    public ServerStatusChangedEvent(boolean online) {
+        this.online = online;
+    }
+
+    public boolean isOnline() {
+        return online;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+}
diff --git a/src/main/java/de/fanta/challenges/events/TimerChangedEvent.java b/src/main/java/de/fanta/challenges/events/TimerChangedEvent.java
new file mode 100644
index 0000000..22a0aa0
--- /dev/null
+++ b/src/main/java/de/fanta/challenges/events/TimerChangedEvent.java
@@ -0,0 +1,28 @@
+package de.fanta.challenges.events;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public class TimerChangedEvent extends Event {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private boolean running;
+
+    public TimerChangedEvent(boolean running) {
+        this.running = running;
+    }
+
+    public boolean isRunning() {
+        return running;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+}