May 18, 1642: The city of <a href="/encyclopedia/places/north-america/canada/montreal">Montreal</a> was founded by the French.
May 18, 1804: <a href="/encyclopedia/history/bios/france/bonaparte">Napoleon Bonaparte</a> was proclaimed Emperor of France by the French Senate.
May 18, 1896: The <a href="/encyclopedia/history/north-america/us-courts/supreme-court-united-states">Supreme Court</a> affirmed racial segregation in <a href="/encyclopedia/social-science/law/cases/plessy-v-ferguson">Plessy v. Ferguson</a> as "separate but equal."
May 18, 1920: <a href="/encyclopedia/history/bios/us/jones-john-paul">Pope John Paul II</a> was born near Krakow, Poland.
May 18, 1953: <a href="/node/147641">Jacqueline Cochran</a> became the first woman to fly faster than the <a href="/node/6252">speed of sound</a>.
May 18, 1974: <a href="/node/70511">India</a> became the 6th country to become a nuclear power.
May 18, 1980: <a href="/encyclopedia/places/north-america/us-geography/saint-helens-mount">Mount St. Helens</a>, in <a href="/world/states/washington">Washington</a> state, erupted after being dormant for 123 years.
May 18, 1994: <a href="/world/countries-world/israel">Israeli</a> troops withdrew from the <a href="/encyclopedia/places/asia/west-bank-and-gaza-political-geography/gaza/the-gaza-strip">Gaza strip</a> after three decades of occupation and <a href="/world/countries-world/palestinian-state-proposed">Palestinians</a> took over.
May 18, 2000: A bill was finally passed that <a href="/node/171715">removed the Confederate flag</a> from the <a href="/node/70040">South Carolina</a> statehouse.
May 18, 2003: President <a href="/encyclopedia/history/bios/se-asia/megawati-sukarnoputri">Megawati Sukarnoputri</a> of <a href="/world/countries-world/indonesia-0">Indonesia</a> declared martial law and sent 30,000 troops into Aceh.
May 18, 2004: <a href="/encyclopedia/history/asia-africa/south-asia-bios/gandhi-sonia">Sonia Gandhi</a> stunned her party, the <a href="/encyclopedia/history/asia-africa/south-asia/indian-national-congress">Indian National Congress</a>, by refusing to accept the prime ministership of <a href="/world/countries-world/india-0">India</a>.
More events from This Day in History: May 18