Wikipedia:Main Page history/2018 July 27

Site of sub-surface lake on Mars

• Scientists announce the discovery of a 20-kilometre-wide (12 mi) sub-surface lake of water (location pictured) on Mars.
• A heat wave
  in Japan leaves 80 people dead, with more than 22,000 others requiring hospitalization.
• At least 80 people are killed and more than 100 others injured in wildfires in the Greek tourist resort of Mati.
• In the
  Syrian Civil War, an army offensive captures all opposition
  -held regions in the south of the country.
• A hydroelectric dam under construction in south-eastern Laos collapses, resulting in extensive damage and leaving more than 6,000 people displaced.

July 27: Tu B'Av (Judaism, 2018)

Signing of the Korean War armistice agreement at P’anmunjŏm, Korea

• 678 – Sclaveni attackers were forced to give up their siege of the Byzantine city of Thessalonica, being unable to penetrate the city's defenses.
• 1214 – Philip II of France decisively won the Battle of Bouvines, the conclusive battle of the 1213–1214 Anglo-French War.
• 1949 – The de Havilland Comet, the world's first commercial jet airliner to reach production, made its maiden flight.
• 1953 – An armistice was signed (pictured) to end hostilities in the Korean War, officially making the division of Korea indefinite by creating an approximately 4 km (2.5 mi) wide demilitarized zone across the Korean Peninsula.
• 2002 – A Ukrainian Air Force Sukhoi Su-27 aircraft crashed during an aerobatics presentation at an airshow near Lviv, Ukraine, killing 77 people and injuring over 500 others.

Conrad II of Italy (d. 1101) · Elizabeth Plankinton (b. 1853) · Alfred Duraiappah (d. 1975)