**To describe Spot fleet history**

This example command returns the history for the specified Spot fleet starting at the specified time.

Command::

  aws ec2 describe-spot-fleet-request-history --spot-fleet-request-id sfr-73fbd2ce-aa30-494c-8788-1cee4EXAMPLE --start-time 2015-05-26T00:00:00Z

The following example output shows the successful launches of two Spot Instances for the Spot fleet.
  
Output::

  {
    "HistoryRecords": [
        {
            "Timestamp": "2015-05-26T23:17:20.697Z",
            "EventInformation": {
                "EventSubType": "submitted"
            },
            "EventType": "fleetRequestChange"
        },
        {
            "Timestamp": "2015-05-26T23:17:20.873Z",
            "EventInformation": {
                "EventSubType": "active"
            },
            "EventType": "fleetRequestChange"
        },
        {
            "Timestamp": "2015-05-26T23:21:21.712Z",
            "EventInformation": {
                "InstanceId": "i-1234567890abcdef0",
                "EventSubType": "launched"
            },
            "EventType": "instanceChange"
        },
        {
            "Timestamp": "2015-05-26T23:21:21.816Z",
            "EventInformation": {
                "InstanceId": "i-1234567890abcdef1",
                "EventSubType": "launched"
            },
            "EventType": "instanceChange"
        }
    ],
    "SpotFleetRequestId": "sfr-73fbd2ce-aa30-494c-8788-1cee4EXAMPLE",
    "NextToken": "CpHNsscimcV5oH7bSbub03CI2Qms5+ypNpNm+53MNlR0YcXAkp0xFlfKf91yVxSExmbtma3awYxMFzNA663ZskT0AHtJ6TCb2Z8bQC2EnZgyELbymtWPfpZ1ZbauVg+P+TfGlWxWWB/Vr5dk5d4LfdgA/DRAHUrYgxzrEXAMPLE=",
    "StartTime": "2015-05-26T00:00:00Z"  
  }