January–March. January 30 (January 19 O.S.) – At dawn, Emperor Peter II of Russia dies of smallpox, aged 14 in Moscow, on the eve of his projected marriage.; February 26 (February 15 O.S.) – Anna of Russia (Anna Ioannovna) becomes reigning Empress of Russia following the death of her cousin Emperor Peter II.; February 28 – Vitus Bering returns to the Russian capital …

Essay on the Nature of Trade in General (French: Essai sur la Nature du Commerce en Général) is a book about economics by Richard Cantillon.Written around 1730, and published in French in 1755. This book was considered by William Stanley Jevons to be the "cradle of political economy".. This work remains Cantillon's only surviving contribution to economics.

2009 in music, 2009 in British music, 2009 in Canadian music, 2009 in Irish music, 2009 in Japanese music, 2009 in Norwegian music, 2009 in South Korean music. Deaths of Michael Jackson, James Owen Sullivan, Leon Kirchner, Les Paul, Ali Akbar Khan, Merce Cunningham, Ron Asheton, Henri Pousseur, Mary Travers, Stephen Gately, and Alain Bashung.; Lady Gaga …