On This Day in History March 6 ​Historical Events​ ​1479 Treaty of Alcáçovas: Portugal cedes the Canary Islands to Castile in exchange for claims in West Africa The Fall of the Alamo by Robert Jenkins Onderdonk shows folk hero Davy Crockett shortly before being killed by Mexican soldiers ​1836 Battle of the Alamo: After 13 days of fighting, 1,500 to 3,000 Mexican soldiers overwhelm the Texan defenders, killing 182 to 257 Texans, including William Travis, Jim Bowie, and Davy Crockett​ ​1857 Dred Scott Decision: US Supreme Court rules African Americans cannot be US citizens ​1869 Dmitri Mendeleev presents the first periodic table of the elements to the Russian Chemical Society ​1899 Aspirin (acetylsalicylic acid) is patented by Felix Hoffmann at the German company Bayer More Historical Events ​Famous Birthdays​ ​Michelangelo​ ​1475 - 1564 ​Elizabeth Barrett Browning​ ​1806 - 1861 ​Gabriel García Márquez​ ​1927 - 2014 ​Valentina Tereshkova​ ​88th Birthday Also Gottlieb Daimler and Alan Greenspan (99) More Famous Birthdays ​Famous Deaths​ ​Davy Crockett​ ​1786 - 1836 ​Georgia O'Keeffe​ ​1887 - 1986 More Famous Deaths ​Birdseye – the Father of Frozen Food​ Indigenous Canadians showed Clarence Birdseye how they preserved fish they had caught. Intrigued, he saw the possibilities and the frozen food industry was born. Father of Frozen Food