Asteroid (50) Virginia was discovered by American astronomer James Ferguson on October 4, 1857 http://en.wikipedia.org/wiki/50_Virginia
Asteroid (251) Sophia was discovered by Johann Palisa on October 4, 1885 in Viennahttp://en.wikipedia.org/wiki/251_Sophia
Asteroid (651) Antikleia was discovered on October 4, 1907 by August Kopff http://en.wikipedia.org/wiki/651_Antikleia
Asteroid (650) Amalasuntha was discovered by German astronomer August Kopff on October 4, 1907 at Heidelberg.http://en.wikipedia.org/wiki/650_Amalasuntha
Asteroid (939) Isberga was discovered from Heidelberg on 4 October 1920 by Karl Wilhelm Reinmuth. http://en.wikipedia.org/wiki/939_Isberga
Title: Out of Old Books- The Lunar Eclipse of October 4, 1884http://astronomy.activeboard.com/t55150927/lunar-eclipse-of-october-4-1884/On October 4, "kanelbullens dag" (Cinnamon roll day) is celebrated in Sweden.http://en.wikipedia.org/wiki/Cinnamon_rollWorld Animal Day is celebrated each year on October the 4th. http://en.wikipedia.org/wiki/World_Animal_Day
The Protocol on Environmental Protection to the Antarctic Treaty was signed on 4 October 1991https://en.wikipedia.org/wiki/Protocol_on_Environmental_Protection_to_the_Antarctic_TreatyWorld Space Week is an annual observance held from October 4 to October 10 http://www.worldspaceweek.org/The Free Software Foundation (FSF) is a non-profit organisation founded on 4 October 1985 http://en.wikipedia.org/wiki/Free_Software_FoundationThe naval battle of Lake Poyang (30 August - 4 October AD 1363) http://en.wikipedia.org/wiki/Battle_of_Lake_Poyang
The Ansari X Prize was won on October 4, 2004, by the Tier One projecthttp://en.wikipedia.org/wiki/Ansari_X_PrizeSputnik 1 was the first artificial satellite to be put into Earth's orbit on 4 October 1957. http://astronomy.activeboard.com/t4298260/sputnik/
Luna 3, or E-2A No.1 was a Soviet spacecraft launched at 00:43:39 UTC, 4 October 1959https://en.wikipedia.org/wiki/Luna_3
The Little Joe 6 mission was launched at 10:00 UTC, 4th October 1959https://en.wikipedia.org/wiki/Little_Joe_6
People
Félix Savary (October 4, 1797 - July 15, 1841) was a French astronomerhttp://en.wikipedia.org/wiki/F%C3%A9lix_SavaryChristen Sørensen Longomontanus (4 October 1562 - 8 October 1647) was a Danish astronomer.http://en.wikipedia.org/wiki/Christian_LongomontanusViktor Karlovich Knorre (4 October 1840 - 25 August 1919) was a Russian astronomer http://en.wikipedia.org/wiki/Viktor_KnorreThomas Corwin Mendenhall (October 4, 1841 - March 23, 1924) was a US physicisthttp://en.wikipedia.org/wiki/Thomas_Corwin_MendenhallCyril Stanley Smith (October 4, 1903-August 25, 1992) was a renowned metallurgist http://en.wikipedia.org/wiki/Cyril_Stanley_SmithJohn Vincent Atanasoff (October 4, 1903 - June 15, 1995) was an American physicisthttp://en.wikipedia.org/wiki/John_AtanasoffVitaly Lazarevich Ginzburg (October 4, 1916 - November 8, 2009) was a Soviet theoretical physicisthttp://en.wikipedia.org/wiki/Vitaly_Lazarevich_Ginzburg
The Airdrie Public Observatory was re-opened on 4 October 1978http://en.wikipedia.org/wiki/Airdrie_Public_Observatory
Star Trek episode "The Paradise Syndrome" was broadcast October 4, 1968.http://astronomy.activeboard.com/t7861703/star-trek/
NGC Discovered
NGC 149 was discovered by Edouard Jean-Marie Stephan on 4 October 1883.http://astronomy.activeboard.com/t55147786/ngc-149/The open cluster NGC 267 was discovered on 4 October 1836.http://astronomy.activeboard.com/t55147857/ngc-267/The open cluster NGC 306 was discovered on 4 October 1836.http://astronomy.activeboard.com/t55147911/ngc-306/Messier 73 was discovered by Charles Messier on October 4, 1780http://en.wikipedia.org/wiki/Messier_73
NGC 1792 is a magnitude +10.2 spiral galaxy discovered by James Dunlop on the 4th October 1826.http://astronomy.activeboard.com/t58693457/ngc-1792/
NGC 4205 is a magnitude +13.0 edge-on spiral galaxy discovered by Heinrich d'Arrest on the 4th October 1861.http://astronomy.activeboard.com/t58693561/ngc-4205/
Astronomer John Herschel first observed the galaxy NGC 7090 on 4 October 1834.http://astronomy.activeboard.com/t50806064/ngc-7090/NGC 7140 was discovered byJohn Herschel on the 4th October 1834.http://astronomy.activeboard.com/t55148075/ngc-7140/NGC 7249 was discovered on the 4th October 1834.http://astronomy.activeboard.com/t55148142/ngc-7249/NGC 7307 was discovered on the 4th October 1836.http://astronomy.activeboard.com/t55148217/ngc-7307/NGC 7356 was discovered by Edouard Jean-Marie Stephan on the 4th October 1883.http://astronomy.activeboard.com/t55148285/ngc-7356/NGC 7368 was discovered by John Herschel on the 4th October 1836.http://astronomy.activeboard.com/t55148382/ngc-7368/NGC 7404 was discovered by John Herschel on the 4th October 1836.http://astronomy.activeboard.com/t55148691/ngc-7404/NGC 7628 was discovered by Edouard Jean-Marie Stephan on the 4th October 1878.http://astronomy.activeboard.com/t55148442/ngc-7628/NGC 7713 was discovered by John Herschel on the 4th October 1836.http://astronomy.activeboard.com/t55148482/ngc-7713/NGC 7764 was discovered by John Herschel on the 4th October 1836.http://astronomy.activeboard.com/t55148514/ngc-7764/
Periodic comet 50P/Arend was discovered on October 4, 1951.http://en.wikipedia.org/wiki/50P/Arend
The Shag Harbour UFO incident was the reported impact of an unknown large object into waters near Shag Harbour, a tiny fishing village in the Canadian province of Nova Scotia on October 4, 1967.http://en.wikipedia.org/wiki/Shag_Harbour_UFO_incident
Oct. Delta-Aurigids meteor shower peakhttp://astronomy.activeboard.com/t45349152/delta-aurigids/