How many foreign heads of state have been allowed to address congress?
By my count, Prime Minister Netanyahu's address is the 106th given to a joint session of the United States Congress by a foreign head of state.
1874 - King Kalakaua of Hawaii
1939 - King George VI of Canada
1947 - President Miguel Aleman Valdes of Mexico
1949 - President Eurico Gaspar Dutra of Brazil
1951 - President Vincent Auriol of France
1951 - President Galo Plaza of Ecuador
1951 - Prime Minister Alcide de Gasperi of Italy
1952 - Prime Minister Winston Churchill of the United Kingdom
1952 - Queen Juliana of the Netherlands
1954 - President Celal Bayar of Turkey
1954 - Governor General Vincent Massey of Canada
1954 - Emperor Haile Selassie I of Ethiopia
1954 - President Syngman Rhee of South Korea
1955 - President Paul Magloire of Haiti
1956 - President Giovanni Gronchi of the Italian Republic
1956 - President Sukarno of Indonesia
1957 - President Ngo Dinh Diem of South Vietnam
1958 - President Theodor Heuss of West Germany
1958 - President Carlos Garcia of the Philippines
1959 - President Arturo Frondizi of Argentina
1959 - President Jose Maria Lemus of El Salvador
1959 - President Sean T. O'Kelly of Ireland
1959 - King Baudouin of the Belgians
1960 - President Alberto Lleras Camargo of Columbia
1960 - President Charles de Gaulle of France
1960 - King Mahendra of Nepal
1960 - King Bhumibol Adulyadej of Thailand
1961 - President Habib Bourguiba of Tunisia
1961 - President Ayub Khan of Pakistan
1961 - President Manuel Prado Ugarteche of Peru
1962 - President Joao Goulart of Brazil
1962 - Shah Mohammad Reza Pahlavi of Iran
1964 - President Antonio Segni of the Italian Republic
1964 - President Eamon de Valera of Ireland
1966 - President Ferdinand Marcos of the Philippines
1967 - President Gustavo Diaz Ordaz of Mexico
1970 - President Georges Pompidou of France
1970 - President Rafael Caldera of Venezuela
1972 - President Luis Echeverria of Mexico
1975 - President Walter Scheel of West Germany
1975 - President Anwar El Sadat of Egypt
1976 - Prime Minister Yitzhak Rabin of Israel
1976 - Taoiseach Liam Cosgrave of Ireland
1976 - President Valery Giscard d'Estaing of France
1976 - King Juan Carlos I of Spain
1976 - President William R. Tolbert, Jr. of Liberia
1977 - Prime Minister Pierre Trudeau of Canada
1982 - Queen Beatrix of the Netherlands
1983 - President Karl Carstens of West Germany
1984 - Taoiseach Garret FitzGerald of Ireland
1984 - President Francois Mitterand of France
1984 - President Miguel de la Madrid of Mexico
1985 - Prime Minister Margaret Thatcher of the United Kingdom
1985 - Prime Minister Bettino Craxi of Italy
1985 - President Raul Afonsin of Argentina
1985 - Prime Minister Rajiv Gandhi of India
1985 - Prime Minister Lee Kuan Yew of Singapore
1986 - President Jose Sarney of Brazil
1986 - President Corazon Aquino of the Philippines
1987 - President Chaim Herzog of Israel
1988 - Prime Minister Brian Mulroney of Canada
1988 - Prime Minister Bob Hawke of Australia
1989 - Prime Minister Benazir Bhutto of Pakistan
1989 - President Carlos Salinas de Gortari of Mexico
1989 - President Roh Tae-woo of South Korea
1990 - President Vaclav Havel of Czechoslovakia
1990 - Prime Minister Giulio Andreotti of Italy
1991 - President Violeta Chamorro of Nicaragua
1991 - Queen Elizabeth II of the United Kingdom
1991 - President Carlos Menem of Argentina
1992 - President Richard von Weizsacker of Germany
1992 - President Boris Yeltsin of Russia
1994 - P.V. Narasimha Rao of India
1994 - King Hussein of Jordan
1994 - Prime Minister Yitzhak Rabin of Israel
1994 - President Nelson Mandela of South Africa
1995 - President Kim Young-sam of South Korea
1995 - Prime Minister Shimon Peres of Israel
1996 - President Jacques Chirac of France
1996 - Prime Minister Benjamin Netanyahu of Israel
1996 - Taoiseach John Bruton of Ireland
1997 - President Eduardo Frei Ruiz-Tagle of Chile
1998 - President Kim Dae-jung of South Korea
1998 - President Emil Constantinescu of Romania
2000 - Prime Minister Atal Bihari Vajpayee of India
2001 - President Vincente Fox of Mexico
2002 - Prime Minister John Howard of Australia
2003 - Prime Minister Tony Blair of the United Kingdom
2004 - Prime Minister Jose Maria Aznar of Spain
2004 - President Hamid Karzai of the Afghan Transitional Administration
2004 - Interim Prime Minister Ayad Allawi of Iraq
2005 - President Viktor Yushchenko of Ukraine
2005 - Prime Minister Manmohan Singh of India
2006 - Prime Minister Silvio Berlusconi of Italy
2006 - President Ellen Johnson Sirleaf of Liberia
2006 - Prime Minister Ehud Olmert of Israel
2006 - President Vaira Vike-Freiberga of Latvia
2006 - Prime Minister Nouri al-Maliki of Iraq
2007 - King Abdullah II of Jordan
2007 - President Nicolas Sarkozy of France
2008 - Taoiseach Bertie Ahern of Ireland
2009 - Prime Minister Gordon Brown of the United Kingdom
2009 - Chancellor Angela Merkel of Germany
2010 - President Felipe Calderon of Mexico
2011 - Prime Minister Julia Gillard of Australia
2011 - Prime Minister Benjamin Netanyahu of Israel