Here’s an announcement dated today, from a pro Koln site:

24. April 2009: April 2009:

Also Robert Spencer comes to anti-Islamisierungskongress!

Major Islam critic speaks at the anti-Islamisierungskongress on 9 Mai May

The list of international guests who are on anti-Islamisierungskongress of 8 to 10 May participate is always longer. Now, with Robert Spencer, one of the world’s best known and most respected Islam critic for his coming to the 9th May agreed. The 47-year-old American is currently a director of his organization created “DjihadWatch” action, whose goals in a focused collection of extremist Islam and aspirations of an awareness about the backgrounds of the militants are Djihad. More:
http://translate.google.com/translate?hl=en&sl=de&u=http://www.pro-koeln-online.de/&ei=OHXySYbBA6S0Ne_jpbwP&sa=X&oi=translate&resnum=1&ct=result&prev=/search%3Fq%3DPro-K%25C3%25B6ln%26hl%3Den%26rlz%3D1C1CHMD_enUS320US320