4 times in 1.5 hours. 3 months ago. Prob lots more times, not really interested in staring at it longer.
111083 2014-07-02 12:34:33 (3 months ago) 23745 6 5a7b9f85576f7fa233bf26136f4bb04c6d2b7f2fe45369d7ee898a7c8a67e312
111082 2014-07-02 12:34:23 (3 months ago) 332 1 206bfef0b9c4879cb86a79c55976bf858b1dac5e5ced2f5951e6307291762596
111081 2014-07-02 12:34:00 (3 months ago) 1052 2 600d7d9f0ce11927608ee8ab015d68d19213a8abfad57838793467312671f06e
111080 2014-07-02 12:34:00 (3 months ago) 2307 2 19afd9e24ed461a5d3df71a3a0542bb291973a4a35e9870b297902bc6491d52c
Fail. You don't pay attention. The event was two of those, plus two with two blocks in a minute, and all four of the intervals consecutive.