This block was the last 'Version 1' block to be mined. BIP-34 defined 'Version 2' blocks and the 'bip34' soft fork was officially locked in 96 blocks after this one, in block #227,931.
{
"hash": "00000000000001aa077d7aa84c532a4d69bdbff519609d1da0835261b7a74eb6",
"confirmations": 700643,
"height": 227835,
"version": 1,
"versionHex": "00000001",
"merkleroot": "9412a507ab9e366362ecf282ec22146a7861e6e72216fe5bdf593e0ee54c0003",
"time": 1364140153,
"mediantime": 1364138226,
"nonce": 2640915267,
"bits": "1a02816e",
"target": "00000000000000000001e63a0000000000000000000000000000000000000000",
"difficulty": 6695826.282596251,
"chainwork": "000000000000000000000000000000000000000000000030f5e83a16d7068d00",
"nTx": 122,
"previousblockhash": "0000000000000170edd741e5b1691d0bbad395f5f60db80acfe02a17ca39d121",
"nextblockhash": "00000000000000d0dfd4c9d588d325dce4f32c1b31b7c0064cba7025a9b9adcc",
"tx": "See 'Transaction IDs'",
"subsidy": "25"
}[]