On this day:
2004: Highest barometric pressure recorded. The atmospheric pressure in Tosontsengel, Mongolia rose to 846.5 hPa
2006: Saddam Hussein executed
2011: Samoa and Tokelau skipped December 30 when the South Pacific Ocean Islands changed their time zone and moved west of the international dateline to align their time zone with their major trading partners, Australia and New Zealand.
Born on this day:
1865: Rudyard Kipling, English author, poet, Nobel Prize laureate
Gone on this day:
1947: Alfred North Whitehead, English mathematician, philosopher