Thursday · in 3615 days

31 Mordad 1415

Thursday 31 Mordad 1415 in the Persian calendar is Thursday, 21 August 2036, and 28 Jumada al-Thani 1458 in the Islamic calendar.

This day's Islamic date is not yet officially announced and is an astronomical estimate; it and the day's religious occasions may move by a day.

This day in four calendars

1862 (164 years ago) The Stadtpark, the first public park in Vienna, opens to the public.
1942 (84 years ago) World War II: The Guadalcanal campaign: American forces defeat an attack by Imperial Japanese Army soldiers in the Battle of the Tenaru.
1944 (82 years ago) Dumbarton Oaks Conference, prelude to the United Nations, begins.
1982 (44 years ago) Lebanese Civil War: The first troops of a multinational force lands in Beirut to oversee the Palestine Liberation Organization's withdrawal from Lebanon.
1986 (40 years ago) Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometre (12 mi) range.
1991 (35 years ago) Latvia declares renewal of its full independence after its occupation by the Soviet Union since 1940.
1994 (32 years ago) Royal Air Maroc Flight 630 crashes in Douar Izounine, Morocco, killing all 44 people on board.
2013 (13 years ago) Hundreds of people are reported killed by chemical attacks in the Ghouta region of Syria.

1165 (861 years ago) Philip II of France,
1765 (261 years ago) William IV, King of the United Kingdom (died 1837)
1789 (237 years ago) Augustin-Louis Cauchy, French mathematician and academic (died 1857)
1961 (65 years ago) Stephen Hillenburg, American marine biologist, cartoonist, animator and creator of SpongeBob SquarePants (died 2018)
1963 (63 years ago) Mohammed VI of Morocco, King of Morocco
1973 (53 years ago) Sergey Brin, Russian-American computer scientist and businessman, co-founded Google
1986 (40 years ago) Usain Bolt, Jamaican sprinter
1988 (38 years ago) Robert Lewandowski, Polish footballer

1614 (412 years ago) Elizabeth Báthory, Hungarian countess and purported serial killer (born 1560)
1838 (188 years ago) Adelbert von Chamisso, German botanist and poet (born 1781)
1940 (86 years ago) Leon Trotsky, Russian theorist and politician, founded the Red Army (born 1879)
1943 (83 years ago) Henrik Pontoppidan, Danish journalist and author, Nobel Prize laureate (born 1857)
1964 (62 years ago) Palmiro Togliatti, Italian journalist and politician, Italian Minister of Justice (born 1893)
1979 (47 years ago) Giuseppe Meazza, Italian footballer and manager (born 1910)
1995 (31 years ago) Subrahmanyan Chandrasekhar, Indian-American astrophysicist and mathematician, Nobel Prize laureate (born 1910)
2018 (8 years ago) Stefán Karl Stefánsson, Icelandic actor and singer (born 1975)