The following people died on June 18.
1095 – Sophia of Hungary (b. c. 1050)
1333 – Henry XV, Duke of Bavaria (b. 1312)
1749 – Ambrose Philips, English poet and politician (b. 1674)
1942 – Arthur Pryor, American trombonist, bandleader, and politician (b. 1870)
1964 – Giorgio Morandi, Italian painter (b. 1890)
1992 – Peter Allen, Australian singer-songwriter and pianist (b. 1944)
2000 – Nancy Marchand, American actress (b. 1928)
2010 – Trent Acid, American wrestler (b. 1980)
2012 – Lina Haag, German author and activist (b. 1907)
2012 – Tom Maynard, Welsh cricketer (b. 1989)
2012 – Luis Edgardo Mercado Jarrín, Peruvian general and politician, 109th Prime Minister of Peru (b. 1919)
2014 – Stephanie Kwolek, American chemist and engineer (b. 1923)
2014 – Johnny Mann, American singer-songwriter and conductor (b. 1928)
2015 – Allen Weinstein, American historian and academic (b. 1937)