William IV (1765-1837) was king of the United Kingdom from 1830 to 1837. He became king after his brother George IV died. William ruled in one of the most important periods in British history. During his reign, Parliament passed the Reform Act of 1832, which gave the right to vote to more British than ever before. In 1833, Parliament abolished slavery in the British Empire.
William was born on Aug. 21, 1765, in London. He was the third son of King George III. At the age of 13, William began a long career in the British Royal Navy. During his reign, he became known as the “Sailor King.” He also ruled the German territory of Hanover from 1830 to 1837. William was succeeded by his niece Victoria. William died on June 20, 1837.
