May 18th (1791) was a Wednesday. It's the 138th day of the year (139th in leap years) in the Gregorian calendar. There are 227 days left to the end of the year.
May 18th Holidays in History
» Battle of Las Piedras known as Battle of Las Piedras Day (Uruguay)
» Christian feast day:
» Ælfgifu of Shaftesbury
» Eric IX of Sweden
» Felix of Cantalice
» Pope John I
» Venantius of Camerino
» May 18 (Eastern Orthodox liturgics)
» Public holidays in Haiti named Flag and Universities Day (Haiti)
» History of Somaliland Separatism e.g Independence Day (Somaliland (List of states with limited recognition called unrecognized))
» International Museum Day (International observance e.g International)
» Mullivaikkal Remembrance Day (Sri Lankan Tamil people or Sri Lankan Tamils)
» Public holidays in Turkmenistan known as Revival, Unity, and Poetry of Magtymguly Day (Turkmenistan)
» World AIDS Vaccine Day (International observance known as International)