First Lady of the United States and provided elite women with opportunities to play backstage political roles. Both Martha Washington and Abigail Adams were treated as if they were "ladies" of the British royal court. Dolley Madison popularized the First Ladyship by engaging in efforts to assist orphans and women, by dressing in elegant fashions and attracting newspaper coverage, and by risking her life to save iconic treasures during the War of 1812. Madison set the standard for the ladyship and her actions were the model for nearly every First Lady until Eleanor Roosevelt in the 1930s. She traveled widely and spoke to many groups, often
Timeline of United States inventions (1890–1945) Timeline of United States inventions (1890–1945) A timeline of United States inventions (1890–1945) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States. Copyright protection secures a person's right to his or her first-to-invent claim of the "original" invention in question, highlighted in Article I, Section 8, Clause 8 of the United States Constitution which gives the following enumerated power to the United States Congress: In 1641,