Today is Saturday, June 20, the 171st day of 2015. There are 194 days left in the year.

Highlights in history on this date:

1605 - Russia's Czar Theodore II is assassinated in a palace revolution.

1625 - France and United Provinces sign nonaggression treaty.

1756 - Scores of British prisoners (146, by British accounts) are shut in a cell known as the "Black Hole of Calcutta" by the nawab of Bengal, and only 21 escape suffocation during the night.

1789 - French assemblymen representing the common people vow not to leave the tennis court where they are meeting until a constitution is drawn up, signaling start of French Revolution.

1837 - Queen Victoria succeeds to the British throne upon the death of her uncle, King William IV; Natal Republic is founded by Dutch settlers in southern Africa and a constitution is proclaimed.

1867 - U.S. President Andrew Jackson proclaims treaty for purchase of Alaska from Russia.

1891 - Britain and the Netherlands define their boundaries in Borneo.

1927 - Druse revolt against French in Syria ends.

1933 - Army stages coup in Siam, now Thailand.

1934 - Agreement is reached on frontier between Sudan and Libya.

1961 - Kuwait, newly independent, is admitted to Arab League, but admission to United Nations is blocked by Soviet Union.

1973 - Juan Peron returns to Argentina after 18-year exile.

1990 - Ion Iliescu is sworn in as president of Romania. The United States boycotts the inauguration to protest his role in violent repression of opposition figures.

1991 - German lawmakers narrowly vote to return Germany's seat of power to Berlin.

1991 - P.V. Narasimha Rao becomes India's ninth prime minister since it became independent in 1947.

1992 - Czech leader Vaclav Klaus and Slovak leader Vladimir Meciar agree to split Czechoslovakia in two.

1993 - The European Community authorizes its mediator to negotiate the division of Bosnia-Herzegovina.

1996 - Russian President Boris Yeltsin fires three of the most powerful members of his administration amid charges they want to cancel presidential elections and use force to retain their positions and power.

2000 - A French court dismisses criminal charges against former German doctor Hans Muench who worked at the Auschwitz death camp, ruling that at age 89, he is too old for a trial on inciting racial hatred.

2001- American Lori Berenson is convicted and sentenced to 20 years in prison by a Peruvian court for collaborating with leftist guerrillas in a thwarted plot to seize Peru's congress.

2005 - Afghan intelligence agents scuttle a plot to assassinate outspoken U.S. Ambassador Zalmay Khalilzad, arresting three armed Pakistanis armed.

2006 - Former Liberian President Charles Taylor's U.N.-chartered plane arrives in the Netherlands for a war crimes trial on charges accusing him in the death, rape or mutilation of hundreds of thousands of people in West Africa.

2008 - A suicide bomber attacks a military convoy as it drives through a town in southern Afghanistan, killing five civilians and one soldier from the U.S.-led coalition.

2009 - Thousands of protesters defy Iran's highest authority and march on waiting security forces that fight back with batons and tear gas in a deepening crisis over a disputed presidential election.

2011 - Tunisia's former ruler and his wife are convicted in absentia on embezzlement and other charges after $27 million (euro18.97 million) in jewels and public funds were found in one of his palaces.

2013 — The Taliban proposes a deal in which they would free a U.S. soldier held captive since 2009 in exchange for five of their most senior operatives at Guantanamo Bay, Cuba.

2014 — U.S. says more than 50 million people worldwide were displaced at the end of last year, largest number since World War II.

Today's Birthdays:

Jacques Offenbach, German-born composer (1819-1880); Errol Flynn, Australian actor (1909-1959); Chet Atkins, country guitarist (1924-2001); Olympia Dukakis, actress (1931--); Lionel Richie, R&B singer (1949--); John Goodman, U.S. actor (1952--); Nicole Kidman, actress (1967--); Josh Lucas, U.S. actor (1971--); Brian Wilson, U.S. singer/songwriter (1942--).

Thought For Today:

You can do very little with faith, but you can do nothing without it — Samuel Butler, English satirist (1835-1902).