681. The United States Open Tennis Championships is a hard court tennis tournament that was founded in 1881.
682. The Arab Spring movement in the Middle East countries started from Tunisia.
683. The second-largest city of Pakistan is Lahore.
684. World War II began in 1939.
685. The Mariana Trench, the deepest point in the world, lies in the Eastern North Pacific.
686. The first woman footballer to win the Ballon D’Or is Ada Hegerberg.
687. The flower called the “Queen of Water” is the Lily.
688. Blue River is located in Austria.
689. The old name of Riyadh was Hajr ( حج ر ).
690. The second longest river in Africa is the Congo.
691. The expected construction cost of the Barakah power plant in Abu Dhabi is $24.4 billion USD.
692. “Guernica,” the world-famous painting, was painted by Picasso.
693. Rome’s first code of laws, Twelve Tables, was adopted in 450 B.C.
694. The last President of the International Cricket Council (ICC) was Shashank Manohar.
695. The national flower of Indonesia is Melati Putih.
696. Yugoslavia was expelled from the United Nations on September 22, 1992.
697. The Painted Desert lies in the U.S. state of Arizona.
698. “Chennai” is the new name of the Indian city Madras.
699. An ordinary piano has 88 keys.
700. United Nations Decade 2010-2020 is for Recovery and Sustainable Development of the Affected Regions (third decade after the Chernobyl disaster).