From the Earlham School of Religion:

[arisbe]

If you care about building cultures of peace
where people of all races and beliefs are respected and embraced,
you’ll want to be in Philadelphia for this special celebration.

YOU ARE CORDIALLY INVITED TO ATTEND

INTERNATIONAL
DAY OF PEACE
CELEBRATION

PHILADELPHIA • SEPTEMBER 20-21, 2004

Comments

[arisbe.livejournal.com]

You can also take New Jersey Transit to Trenton and the Philadelphia subway from there.

Perhaps there is some coordinated event here in New York.