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28 Mordad 1475

Saturday 28 Mordad 1475 in the Persian calendar is Saturday, 18 August 2096, and 29 Rabi' al-Thani 1520 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

1492 (534 years ago) The first grammar of the Spanish language (Gramática de la lengua castellana) is presented to Queen Isabella I.
1877 (149 years ago) American astronomer Asaph Hall discovers Phobos, one of Mars's moons.
1958 (68 years ago) Brojen Das from Bangladesh swims across the English Channel in a competition as the first Bengali and the first Asian to do so, placing first among the 39 competitors.
1971 (55 years ago) Vietnam War: Australia and New Zealand decide to withdraw their troops from Vietnam.
1976 (50 years ago) The Soviet Union's robotic probe Luna 24 successfully lands on the Moon.
1989 (37 years ago) Leading presidential hopeful Luis Carlos Galán is assassinated near Bogotá in Colombia.
2005 (21 years ago) A massive power blackout hits the Indonesian island of Java; affecting almost 100 million people, it is one of the largest and most widespread power outages in history.
2019 (7 years ago) One hundred activists, officials, and other concerned citizens in Iceland hold a funeral for Okjökull glacier, which has completely melted after having once covered six square miles (15.5 km2).

1750 (276 years ago) Antonio Salieri, Italian composer and conductor (died 1825)
1830 (196 years ago) Franz Joseph I, Emperor of Austria from 1848-1916 (died 1916)
1932 (94 years ago) Luc Montagnier, French virologist and academic, Nobel Prize laureate (died 2022)
1933 (93 years ago) Roman Polanski, French-Polish director, producer, screenwriter, and actor
1936 (90 years ago) Robert Redford, American actor, director, and producer (died 2025)
1952 (74 years ago) Patrick Swayze, American actor and dancer (died 2009)
1962 (64 years ago) Felipe Calderón, Mexican lawyer and politician, 56th President of Mexico
1969 (57 years ago) Edward Norton, American actor

440 (1586 years ago) Pope Sixtus III,
1503 (523 years ago) Pope Alexander VI,
1559 (467 years ago) Pope Paul IV,
1850 (176 years ago) Honoré de Balzac, French novelist and playwright (born 1799)
1990 (36 years ago) B. F. Skinner, American psychologist and philosopher, invented the Skinner box (born 1904)
2009 (17 years ago) Kim Dae-jung, South Korean lieutenant and politician, 15th President of South Korea, Nobel Prize laureate (born 1925)
2018 (8 years ago) Kofi Annan, Ghanaian diplomat and seventh Secretary-General of the United Nations (born 1938)
2024 (2 years ago) Alain Delon, French-Swiss actor (born 1935)