The date of International Asteroid Day commemorates the anniversary of the Tunguska asteroid impact over Siberia, Russian Federation, on 30 June 1908.
Tarehe ya Siku ya Kimataifa ya Asteroid inaadhimisha kumbukumbu ya athari ya asteroid ya Tunguska juu ya Siberia, Shirikisho la Urusi, tarehe 30 Juni 1908.