Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
						1      5 years ago, in 1950: The Soviet R-2, with twice the range of the R-1, makes its first flight.
2	3      13 years ago, in 1942: The first V-2 rocket is launched from Peenemunde, Germany, and reaches 85 km (52 mi).	4	5	6	7	8
9	10      109 years ago, in 1846: William Lassell discovers Neptune's largest moon, Triton.      7 years ago, in 1948: The R-1 (a Soviet built copy of the German V-2) makes its first successful flight.	11	12	13	14      8 years ago, in 1947: Charles "Chuck" Yeager breaks the sound barrier in the XS-1.	15
16	17      49 years ago, in 1906: 617 Patroclus, a Jupiter trojan asteroid, is discovered by German astronomer August Kopff at Heidelberg Observatory.	18	19	20	21	22
23      31 years ago, in 1924: 1036 Ganymed, the largest near-Earth asteroid, is discovered by Walter Baade.	24      104 years ago, in 1851: William Lassell discovers two moon of Uranus, Ariel and Umbriel.      9 years ago, in 1946: The first photo of Earth from space is taken by U.S. scientists with a V-2 rocket.	25      284 years ago, in 1671: Giovanni Cassini discovers one of Saturn's moons, Iapetus.	26	27	28	29
30	31      35 years ago, in 1920: 944 Hidalgo, the first member of the centaurs (though not realized as distinct until 1977) , is discovered by German astronomer Walter Baade.