Dashed left edge = started before July 1847 ·
Dashed right edge = ongoing beyond July 1847
Events in July 1847 4
1847The Poverty of PhilosophyPolemic against ProudhonMarx published "The Poverty of Philosophy" in 1847 as a critical response to French anarchist Pierre-Joseph Proudhon's "The Philosophy of Poverty." The work sharpened Marx's critique of utopian socialism and outlined his own emerging economic theory, including early ideas about class conflict and the labor theory of value that he would later expand in "Das Kapital."
1847First adhesive postage stamps issued in the United StatesFive- and ten-cent stamps go on saleThe US Post Office issued its first general-issue postage stamps, a five-cent Benjamin Franklin and a ten-cent George Washington. They went on sale in New York on 1 July. Use was optional until prepayment became compulsory in 1855.
1847Mormon pioneers enter the Salt Lake ValleyBrigham Young's company reaches the site of Salt Lake CityThe first Latter-day Saint pioneers entered the Salt Lake Valley, with Brigham Young arriving on 24 July. They began planting crops and laying out a city. The settlement became the centre of the Mormon colonisation of the American West.
1847Liberia declares independenceThe American Colonization Society's colony becomes a sovereign republicLiberia's Declaration of Independence was adopted on 26 July, establishing Africa's first modern republic. Joseph Jenkins Roberts became its first president. The state had been founded by freed African Americans settled by the American Colonization Society.