December 21[edit]
1963: The TIROS-8 weather satellite was launched from Cape Canaveral Air Force Station, Florida.
1992: Martinair Flight 495 crash-landed in severe weather at Faro Airport in Faro, Portugal.
2009: Cyclone Laurence made landfall at Eighty Mile Beach, Western Australia, as a category 5 cyclone.
2017: Typhoon Tembin passed over Mindanao, Philippines, killing 266 people.