Event:
Days after imposing additional sanctions against Russia, U.S. President Barack Obama contacts Russian President Vladimir Putin to express concern about Russia's continuing support of Ukrainian separatists
More Notable Events on August 1:
1995 Westinghouse purchases CBS-TV network
1957 U.S. and Canada create NORAD
1916 Hawaii National Park forms
1834 Slavery abolished through out the British Empire
1831 London Bridge opens to traffic
