Amedeo Avogadro Amedeo Avogadro Amedeo Carlo Avogadro, () Count of Quaregna and Cerreto (9 August 17769 July 1856), was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules. In tribute to him, the number of elementary entities (atoms, molecules, ions or other particles) in 1 mole of a substance, , is known as the Avogadro constant, one of the seven SI base units and represented by "N". Lorenzo Romano Amedeo Carlo Avogadro was born
History of same-sex marriage in the United States and required the state to recognize same-sex marriages. On November 12, 2008, the first marriage licenses to same-sex couples were issued and the following year, the state enacted gender-neutral marriage legislation. In August and September, the national political parties addressed same-sex marriage in their party platforms. The Democratic National Convention adopted a platform that "oppose[s]the Defense of Marriage Act and all attempts to use this issue to divide us" and suggested support for same-sex marriage: "We support the full inclusion of all families, including same-sex couples, in the life of our nation, and support equal responsibility, benefits, and protections." The