There is some evidence that earlier in the day , there had been some argument between him and Cosima , on the subject of which there is no record .
Wagner died at the Palazzo Vendramin Calergi in Venice of a heart attack on 13 February 1883 .
There is some evidence that earlier in the day , there had been some argument between Wagner and Cosima , on the subject of which there is no record .
Wagner died at the Palazzo Vendramin Calergi in Venice of a heart attack on 13 February 1883 .