Timeline March 1845

Events in March 1845 7

• 1790 – 1845 John Frederic Daniell (1790-1845) Died 13 March 1845, aged 55 John Frederic Daniell was an English chemist and physicist who invented the Daniell cell in 1836. It gave a far steadier current than earlier batteries and was widely used in early telegraphy. He also invented a dew-point hygrometer.
• 1841 – 1845 Tyler presidency 10th President — 1841 to 1845 John Tyler succeeded to the presidency on April 4, 1841 after Harrison's death, serving until March 4, 1845. He was expelled from the Whig Party and governed without party support, vetoing most of Congress's legislation.
• 1845 Treaty of Ponche Verde End of the Ragamuffin War The Treaty of Ponche Verde ended the Ragamuffin War, a decade-long republican rebellion in the southern Brazilian province of Rio Grande do Sul. The rebels were granted amnesty and some of their demands were met. The province was reintegrated into the Empire of Brazil.
• 1845 Florida admitted to the Union Florida becomes the 27th US state Florida was admitted as the 27th state of the United States on President John Tyler's last full day in office. It entered as a slave state. Before that it had been a US territory since 1822.
• 1845 Inauguration of James K. Polk Polk becomes 11th US President James K. Polk was sworn in as the 11th President of the United States in Washington. He had campaigned on territorial expansion, including Texas and Oregon. His presidency saw the Mexican-American War and the largest growth in US territory since the Louisiana Purchase.
• 1845 – 1849 Polk presidency 11th President — 1845 to 1849 James K. Polk served as the 11th President from March 4, 1845 to March 4, 1849. He oversaw the annexation of Texas, negotiated Oregon with Britain, and won the Mexican-American War, adding 1.2 million square miles to the US.
• 1845 Sacking of Kororareka Flagstaff War breaks out in New Zealand Maori forces led by Hone Heke and Kawiti cut down the British flagstaff at Kororareka for the fourth time and sacked the town. The settlement was evacuated and largely burned. The attack began the Flagstaff War between Maori and British colonial forces in northern New Zealand.