Lag B'omer will be celebrated by the Jewish Radical Folk School (Socialist Zionist). The Maccabees and Northwest Side school children will meet at Roby and Division streets; from there they will march to Humboldt Park. This will take place Sunday May 18th at 10:00 A. M. Lag B'omer will be celebrated in the park. All parents and friends are cordially invited to attend the ceremonies.