NYC: Czech http://www.czechcenter.com/
NYC: Columbia University: CU http://www.columbia.edu/cu/news/calendar/#talks - L.I: beachparty
NYC: Office of the Mayor city-wide events
NYC: Office of the NYC Mayor international business http://www.nyc.gov/html/unccp/html/international_biz/calendar.shtml
NYC: Alliance for the Arts calendar of cultural events in NYC http://www.nyc-arts.org/
NYC: Javits Center http://www.javitscenter.com/events/default.asp

GOV: US State Department international events calendar http://iec.state.gov/? - Press Releases
GOV: US State Department daily appointments schedule http://www.state.gov/r/pa/prs/appt/

(Congress and special events audio/video)C-SPAN - Schedule of Congressional Hearings
(Congressional debate/hearings) FEDNET
Public Diplomacy Calendar (Dept. of State International Information Programs)
National Press Club - The Washington Times Daybook

US Helsinki Commission (Security & Cooperation in Europe)

Whitehouse - news - press briefings - proclamations - orders - radio

UN: The "Week Ahead" calendar of events at the UN can be found at this link every Friday after 3:00 pm
UN: additional information about upcoming UN events and conferenceshref="http://www.un.org/events/index.html