after two conferences in hamburg 2011 und in new york 2012 is the third and final conference on "good governance for sustainable marine development" of 3. 5. june 2013 in cascais (in lisbon) occurred in portugal.

How would the previous sentence be correctly capitalized?
After two conferences in Hamburg 2011 und in New York 2012 is the third and final conference on "Good Governance for Sustainable Marine Development" of 3. 5. June 2013 in Cascais (in Lisbon) occurred in Portugal.