Agatha Christie Disappears
Dec 3 Detective novelist Agatha Christie mysteriously disappears for 11 days
Mein Kampf
Dec 10 2nd part of Adolf Hitler's Mein Kampf published
Le Pauvre Matelot
Dec 16 Darius Milhaud's opera "Le Pauvre Matelot" premieres in Paris
Landis MLB Contract Renewed
Dec 16 MLB owners renew contract with Commissioner Kenesaw Mountain Landis for a second 7-years term
- Dec 16 WOW-AM in Omaha NE begins radio transmissions
- Dec 17 Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful
- Dec 17 German Marx government falls due to cooperation with red army
- Dec 17 KYA-AM in San Francisco CA begins radio transmissions
- Dec 17 Lithuanian military state under gen Augustine Woldemaras
- Dec 19 National Football League Championship: Frankford Yellow Jackets (14-1-2) win first past the post title
- Dec 20 Sidney Howard's "Silver Cord" premieres in NYC
Cardinals Trade Hornsby
Dec 20 St. Louis Cardinals trade future Baseball Hall of Fame infielder Rogers Hornsby to NY Giants for Frankie Frisch & Jimmy Ring; concerns over Hornsby's gambling
- Dec 23 KEX-AM in Portland OR begins radio transmissions
- Dec 27 Depot Square in Bronx renamed Botanical Square
- Dec 27 Latkin Square in Bronx named for 1st US Jewish soldier to die in WW I
- Dec 28 Arthur Mailey takes 4-362 off 64 overs (no maidens) NSW v Vic
- Dec 28 Imperial Airways begins England-India mail & passenger service
- Dec 28 Ponsford scores 352 & Ryder 295 against NSW
- Dec 28 Victoria all out for 1107 against NSW at the MCG Crowd 22,348
- Dec 29 Vatican puts French fascist Charles Maurras' work on the index
- Dec 29 Victoria (1107) beat NSW (221 & 230) by an innings 656 runs
- Dec 30 Chicago Tribune reports the Tigers threw a 4-game series to the White Sox in 1917 to help Chicago win the pennant (never substantiated)
- Dec 30 Paul Eliot Green's "In Abraham's Bosom" premieres in NYC