Franklin Mint – History of the US – Compromise of 1850 – 1850 – 45mm – Proof Bronze Medal. Jan-Sept – Senate leaders seek to restore sectional tranquility through Compromise of 1850; July 10 – Millard Fillmore becomes President upon death of Zachary Taylor; Sept. 11 – First concert by Jenny Lind, the “Swedish Nightingale,” held at Castle Garden.