Wikipedia:Selected anniversaries/June 30

From Wikipedia, the free encyclopedia

June 30: Independence Day in the Democratic Republic of the Congo (1960)

• 1864 - U.S. National Parks: Abraham Lincoln granted Yosemite Valley to California for "public ... recreation".
• 1905 - Albert Einstein (pictured) published the article "On the Electrodynamics of Moving Bodies" and introduced the theory of special relativity.
• 1908 - The Tunguska impact event occurred in Siberia.
• 1934 - Adolf Hitler violently purged his political rivals on the Night of the Long Knives.
• 1971 - The Soyuz 11 spacecraft depressurised during reentry, killing cosmonauts Vladislav Volkov, Georgi Dobrovolski and Viktor Patsayev.