Update React Summit, React Advanced, React Day Berlin (#2899)

Author: robhrt7

content/community/conferences.md

@@ -17,10 +17,10 @@ March 30 - 31, 2020 in San Francisco, CA
 
 [Website](https://www.reactathon.com) - [Twitter](https://twitter.com/reactathon) - [Facebook](https://www.facebook.com/events/575942819854160/)
 
-### React Summit Amsterdam 2020 {#react-summit-2020}
-September 11, 2020 in Amsterdam, The Netherlands
+### React Summit - Remote Edition 2020 {#react-summit-remote-2020}
+3pm CEST time, April 17, 2020 - remote event
 
-[Website](https://reactsummit.com) - [Twitter](https://twitter.com/reactamsterdam) - [Facebook](https://www.facebook.com/reactamsterdam) - [Videos](https://youtube.com/c/ReactConferences)
+[Website](https://remote.reactsummit.com) - [Twitter](https://twitter.com/reactamsterdam) - [Facebook](https://www.facebook.com/reactamsterdam) - [Videos](https://youtube.com/c/ReactConferences)
 
 ### React Day Bangalore 2020 {#react-day-bangalore-2020}
 April 25, 2020 in Bangalore, India
@@ -82,11 +82,26 @@ September 5-6, 2020 in Wrocław, Poland
 
 [Website](https://www.react-native.eu/) - [Twitter](https://twitter.com/react_native_eu) - [Facebook](https://www.facebook.com/reactnativeeu/) - [YouTube](https://www.youtube.com/watch?v=m0GfmlGFh3E&list=PLZ3MwD-soTTHy9_88QPLF8DEJkvoB5Tl-) - [Instagram](https://www.instagram.com/reactnative_eu/)
 
+### React Summit Amsterdam 2020 {#react-summit-2020}
+September 8-11, 2020 in Amsterdam, The Netherlands
+
+[Website](https://reactsummit.com) - [Twitter](https://twitter.com/reactamsterdam) - [Facebook](https://www.facebook.com/reactamsterdam) - [Videos](https://youtube.com/c/ReactConferences)
+
+### React Advanced 2020 {#react-advanced-2020}
+October 21-23, 2020 in London, UK
+
+[Website](https://reactadvanced.com) - [Twitter](http://twitter.com/reactadvanced) - [Facebook](https://www.facebook.com/ReactAdvanced) - [Videos](https://youtube.com/c/ReactConferences)
+
 ### React India 2020 {#react-india-2020}
 November 6, 2020 in Mumbai, India
 
 [Website](https://www.reactindia.io) - [Twitter](https://twitter.com/react_india) - [Facebook](https://www.facebook.com/ReactJSIndia/) - [LinkedIn](https://www.linkedin.com/showcase/14545585) - [YouTube](https://www.youtube.com/channel/UCaFbHCBkPvVv1bWs_jwYt3w/videos)
 
+### React Day Berlin 2020 {#react-day-berlin-2020}
+November 25-27, 2020 in Berlin, Germany
+
+[Website](https://reactday.berlin) - [Twitter](https://twitter.com/reactdayberlin) - [Facebook](https://www.facebook.com/reactdayberlin/) - [Videos](https://www.youtube.com/reactdayberlin)
+
 ## Past Conferences {#past-conferences}
 
 ### React.js Conf 2015 {#reactjs-conf-2015}