Update Community-Events.md (graphql#702)

Author: nikolasburk

site/community/Community-Events.md

@@ -8,21 +8,21 @@ sublinks: Upcoming Events,Meetups
 
 ## Upcoming Events
 
-### GraphQL Summit
+### GraphQL Conf Berlin
 
-- **Date:** November 7-8, 2018
-- **Location:** San Francisco, U.S.A.
-- **Link:** https://summit.graphql.com
+- **Date:** June 20-21, 2019
+- **Location:** Berlin, Germany
+- **Link:** https://www.graphqlconf.org/
 
-World's largest conference dedicated to GraphQL.
+GraphQL Conf Berlin is the world's biggest GraphQL community conference. It's a non-profit conference with speakers from all around the world. Learn about GraphQL best practices from industry experts and become part of the thriving GraphQL community.
 
-### GraphQL Conf Berlin 2019
+### GraphQL Summit
 
-- **Date:** June 20-21, 2019
-- **Location:** Berlin, Germany
+- **Date:** October 29-31, 2019
+- **Location:** San Francisco, USA
 - **Link:** https://www.graphqlconf.org/
 
-GraphQL Conf is a non-profit GraphQL conference in Europe with speakers from all around the world. Learn about GraphQL best practices from industry experts and become part of the thriving GraphQL community. 
+GraphQL conference organized by Apollo.
 
 ## Meetups