For Convenience, here is a quick summary, and a detailed list of all Asterisk Events generated as of
Asterisk Stable version 1.2.4

====+ Summary +====
   TYPE FLAG         EVENT
--------------------------------------
EVENT_FLAG_CALL   "Hangup", 
EVENT_FLAG_CALL   "Newchannel",
EVENT_FLAG_CALL   "Rename",
EVENT_FLAG_CALL   "Newcallerid", 
EVENT_FLAG_CALL   "Newstate",
EVENT_FLAG_CALL   "Link", 
EVENT_FLAG_CALL   "Unlink", 
EVENT_FLAG_CALL   "Newexten",
EVENT_FLAG_SYSTEM "Alarm",
EVENT_FLAG_SYSTEM "AlarmClear",
EVENT_FLAG_SYSTEM "DNDState",
EVENT_FLAG_SYSTEM "DNDState",
EVENT_FLAG_CALL   "Unhold",
EVENT_FLAG_CALL   "Hold",
EVENT_FLAG_SYSTEM "Registry",
EVENT_FLAG_SYSTEM "PeerStatus",
EVENT_FLAG_SYSTEM "Registry",
EVENT_FLAG_AGENT  "Agentcallbacklogoff",
EVENT_FLAG_AGENT  "Agentcallbacklogin",
EVENT_FLAG_AGENT  "Agentlogin",
EVENT_FLAG_AGENT  "Agentlogoff",
EVENT_FLAG_CALL   "MeetmeJoin", 
EVENT_FLAG_CALL   "MeetmeTalking",
EVENT_FLAG_CALL   "MeetmeStopTalking",
EVENT_FLAG_CALL   "MeetmeLeave", 
EVENT_FLAG_CALL   "MessageWaiting",
EVENT_FLAG_CALL   "Dial", 
EVENT_FLAG_AGENT  "QueueMemberStatus",
EVENT_FLAG_CALL   "Join", 
EVENT_FLAG_CALL   "Leave",
EVENT_FLAG_AGENT  "QueueMemberStatus",
EVENT_FLAG_AGENT  "AgentCalled",
EVENT_FLAG_AGENT  "AgentDump",
EVENT_FLAG_AGENT  "AgentConnect",
EVENT_FLAG_AGENT  "AgentComplete",
EVENT_FLAG_AGENT  "QueueMemberRemoved",
EVENT_FLAG_AGENT  "QueueMemberAdded",
EVENT_FLAG_AGENT  "QueueMemberPaused",
EVENT_FLAG_CALL   "OriginateSuccess",
EVENT_FLAG_CALL   "OriginateFailure",
EVENT_FLAG_CALL   "ExtensionStatus",
EVENT_FLAG_SYSTEM "Reload",
EVENT_FLAG_SYSTEM "Shutdown",
EVENT_FLAG_CALL   "ParkedCall",
EVENT_FLAG_CALL   "ParkedCallTimeOut",
EVENT_FLAG_CALL   "ParkedCallGiveUp",
EVENT_FLAG_CALL   "UnParkedCall",
EVENT_FLAG_SYSTEM "LogChannel",
EVENT_FLAG_CALL   "Cdr",

====+ Comprehensive List of Events +====
  TYPE FLAG             EVENT
-----------------------------------------
                               ATTRIBUTES
------------------------------------------
EVENT_FLAG_CALL      "Hangup"
			                        "Channel: %s"
			                        "Uniqueid: %s"
			                        "Cause: %d"
			                        "Cause-txt: %s"

EVENT_FLAG_CALL      "Newchannel"
				                      "Channel: %s"
				                      "State: %s"
				                      "CallerID: %s"
				                      "CallerIDName: %s"
				                      "Uniqueid: %s"

EVENT_FLAG_CALL      "Rename"
                              "Oldname: %s"
                              "Newname: %s"
                              "Uniqueid: %s"

EVENT_FLAG_CALL      "Newcallerid"
				                      "Channel: %s"
				                      "CallerID: %s"
				                      "CallerIDName: %s"
				                      "Uniqueid: %s"
				                      "CID-CallingPres: %d (%s)"

EVENT_FLAG_CALL      "Newstate"
		                          "Channel: %s"
		                          "State: %s"
		                          "CallerID: %s"
		                          "CallerIDName: %s"
		                          "Uniqueid: %s"

EVENT_FLAG_CALL      "Link"
		                          "Channel1: %s"
		                          "Channel2: %s"
		                          "Uniqueid1: %s"
		                          "Uniqueid2: %s"
		                          "CallerID1: %s"
		                          "CallerID2: %s"

EVENT_FLAG_CALL      "Unlink"
					                    "Channel1: %s"
					                    "Channel2: %s"
					                    "Uniqueid1: %s"
					                    "Uniqueid2: %s"
					                    "CallerID1: %s"
					                    "CallerID2: %s"

EVENT_FLAG_CALL      "Newexten"
					                    "Channel: %s"
					                    "Context: %s"
					                    "Extension: %s"
					                    "Priority: %d"
					                    "Application: %s"
					                    "AppData: %s"
					                    "Uniqueid: %s"

EVENT_FLAG_SYSTEM    "Alarm"
								              "Alarm: %s"
								              "Channel: %d"

EVENT_FLAG_SYSTEM    "AlarmClear"
								              "Channel: %d"

EVENT_FLAG_SYSTEM    "DNDState"
								              "Channel: Zap/%d"
								              "Status: disabled"

EVENT_FLAG_CALL      "Unhold"
							                "Channel: %s"
							                "Uniqueid: %s"

EVENT_FLAG_CALL      "Hold"
							                "Channel: %s"
							                "Uniqueid: %s"

EVENT_FLAG_SYSTEM    "Registry"
                              "Channel: %s"
                              "Username: %s"
                              "Status: %s"
                              "Cause: %s"

EVENT_FLAG_SYSTEM    "PeerStatus", 
                              "Peer: %s/%s"
                              "PeerStatus: %s"
                              "Time: %d"

EVENT_FLAG_AGENT     "Agentcallbacklogoff"
								              "Agent: %s"
								              "Loginchan: %s"
								              "Logintime: %ld"
								              "Uniqueid: %s"

EVENT_FLAG_AGENT     "Agentlogoff"
							                "Agent: %s"
							                "Logintime: %ld"
							                "Uniqueid: %s"

EVENT_FLAG_AGENT     "Agentcallbacklogin"
			                        "Agent: %s"
			                        "Loginchan: %s"

EVENT_FLAG_AGENT     "Agentlogin"
							                "Agent: %s"
							                "Channel: %s"
							                "Uniqueid: %s"

EVENT_FLAG_CALL      "MeetmeJoin"
		                          "Channel: %s"
		                          "Uniqueid: %s"
		                          "Meetme: %s"
		                          "Usernum: %d"

EVENT_FLAG_CALL      "MeetmeTalking"
								              "Channel: %s"
								              "Uniqueid: %s"
								              "Meetme: %s"
								              "Usernum: %d"

EVENT_FLAG_CALL      "MeetmeStopTalking"
								              "Channel: %s"
								              "Uniqueid: %s"
								              "Meetme: %s"
								              "Usernum: %d"

EVENT_FLAG_CALL      "MeetmeLeave"
			                        "Channel: %s"
			                        "Uniqueid: %s"
			                        "Meetme: %s"
			                        "Usernum: %d"

EVENT_FLAG_CALL      "MessageWaiting"
                              "Mailbox: %s"
                              "Waiting: %d"
                              "New: %d"
                              "Old: %d"

EVENT_FLAG_CALL      "Dial"
			                        "Source: %s"
			                        "Destination: %s"
			                        "CallerID: %s"
			                        "CallerIDName: %s"
			                        "SrcUniqueID: %s"
			                        "DestUniqueID: %s"

EVENT_FLAG_AGENT     "QueueMemberStatus"
							                "Queue: %s"
							                "Location: %s"
						                  "Membership: %s"
							                "Penalty: %d"
							                "CallsTaken: %d"
							                "LastCall: %d"
							                "Status: %d"
							                "Paused: %d"

EVENT_FLAG_CALL      "Join"
			                        "Channel: %s"
                              "CallerID: %s"
                              "CallerIDName: %s"
                              "Queue: %s"
                              "Position: %d"
                              "Count: %d",

EVENT_FLAG_CALL      "Leave"
				                      "Channel: %s"
                              "Queue: %s"
                              "Count: %d"

EVENT_FLAG_AGENT     "AgentCalled"
						                  "AgentCalled: %s"
						                  "ChannelCalling: %s"
						                  "CallerID: %s"
						                  "CallerIDName: %s"
						                  "Context: %s"
						                  "Extension: %s"
						                  "Priority: %d"

EVENT_FLAG_AGENT     "AgentDump"
						                  "Queue: %s"
						                  "Uniqueid: %s"
						                  "Channel: %s"
						                  "Member: %s"

EVENT_FLAG_AGENT     "AgentConnect"
				                      "Queue: %s"
				                      "Uniqueid: %s"
				                      "Channel: %s"
				                      "Member: %s"
				                      "Holdtime: %ld"

EVENT_FLAG_AGENT     "AgentComplete"
					                    "Queue: %s"
					                    "Uniqueid: %s"
					                    "Channel: %s"
					                    "HoldTime: %ld"
					                    "TalkTime: %ld"
					                    "Reason: %s"

EVENT_FLAG_AGENT     "QueueMemberRemoved"
						                  "Queue: %s"
						                  "Location: %s"

EVENT_FLAG_AGENT     "QueueMemberAdded"
					                    "Queue: %s"
					                    "Location: %s"
					                    "Membership: %s"
					                    "Penalty: %d"
					                    "CallsTaken: %d"
					                    "LastCall: %d"
					                    "Status: %d"
					                    "Paused: %d"

EVENT_FLAG_AGENT     "QueueMemberPaused"
					                    "Queue: %s"
					                    "Location: %s"
					                    "Paused: %d"

EVENT_FLAG_CALL      "OriginateSuccess"
			                        "%s"(idtext)
			                        "Channel: %s/%s"
			                        "Context: %s"
			                        "Exten: %s"
			                        "Reason: %d"
			                        "Uniqueid: %s"

EVENT_FLAG_CALL	    "OriginateFailure"
			                        "%s"(idtext)
			                        "Channel: %s/%s"
			                        "Context: %s"
			                        "Exten: %s"
			                        "Reason: %d"
			                        "Uniqueid: %s"

EVENT_FLAG_CALL      "ExtensionStatus"
                              "Exten: %s"
                              "Context: %s"
                              "Status: %d"

EVENT_FLAG_SYSTEM    "Reload"
                              "Message: Reload Requested"

EVENT_FLAG_SYSTEM    "Shutdown"
                              "Shutdown: %s"
                              "Restart: %s"

EVENT_FLAG_CALL      "ParkedCall"
		                          "Exten: %d"
		                          "Channel: %s"
  	                          "From: %s"
		                          "Timeout: %ld"
		                          "CallerID: %s"
		                          "CallerIDName: %s"

EVENT_FLAG_CALL      "ParkedCallTimeOut"
					                    "Exten: %d"
					                    "Channel: %s"
					                    "CallerID: %s"
					                    "CallerIDName: %s"

EVENT_FLAG_CALL      "ParkedCallGiveUp"
								              "Exten: %d"
								              "Channel: %s"
								              "CallerID: %s"
								              "CallerIDName: %s"

EVENT_FLAG_CALL      "UnParkedCall"
			                        "Exten: %d"
			                        "Channel: %s"
			                        "From: %s"
			                        "CallerID: %s"
			                        "CallerIDName: %s"

EVENT_FLAG_SYSTEM    "LogChannel"
                              "Channel: %s"
                              "Enabled: Yes"

EVENT_FLAG_CALL      "Cdr"
	                            "AccountCode: %s"
	                            "Source: %s"
	                            "Destination: %s"
	                            "DestinationContext: %s"
	                            "CallerID: %s"
	                            "Channel: %s"
	                            "DestinationChannel: %s"
	                            "LastApplication: %s"
	                            "LastData: %s"
	                            "StartTime: %s"
	                            "AnswerTime: %s"
	                            "EndTime: %s"
	                            "Duration: %d"
	                            "BillableSeconds: %d"
	                            "Disposition: %s"
	                            "AMAFlags: %s"
	                            "UniqueID: %s"
	                            "UserField: %s"
