.
30 July
30 July 1905 discovery of 570 Kythera
30 July 1911 discovery of 716 Berkeley
30 July 1970 discovery of 1835 Gajdariya
30 July 1995 discovery of 7441 Laska
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30 July 1968 Death of Semyon Emmanuilovich Khaikin in Leningrad (Saint Petersburg) Russia
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