St. Valentine's Day Massacre: In Your House was the 27th In Your House professional wrestling pay-per-view (PPV) event produced by the World Wrestling Federation (WWF; later WWE in 2002). It took place on February 14, 1999, at the Memphis Pyramid in Memphis, Tennessee. The title of the event alludes to the Saint Valentine's Day massacre in the year 1929, which saw seven people murdered as a part of the gang war between Al Capone and Bugs Moran. The event saw the WWF debut of Paul Wight, formerly known as The Giant in World Championship Wrestling, and who would later be renamed to The Big Show. It was the final In Your House pay-per-view event until June 2020, at the time, the WWF moved to install permanent names for their monthly PPVs, and which began with Backlash in April 1999.