Here are the information of them. One is European Shogi Championship/World Shogi Open Championship in Germany and the other is International Shogi Festival which has been held every three years since 1999 in Japan but to be held outside Japan for the first time of shogi history in Paris.

ESC/WOSC 2011 (englisch) --- to be held on July 14 through 17.
http://www.shoginet.de/component/content/article/63-escwosc-2011-en.html

International Shogi Festival 2011 -- to be held on October 27-30
http://isf.shogi.fr/#En