 Complete the following phrase:  He took part in the Battle of Ravna in August 1813 as part of the First Serbian Uprising. When the uprising was suppressed, Sima Katic fled to Austria with many other dukes to escape Ottoman retaliation. He returned to Serbia when the Second Serbian Uprising began in 1815 and settled in Glogovac. There he became a founding member of a newly-built church. Sima Katić remembered Karadjordje generosity when he went to Mačva after the 