- Jul 1 1st commercial TV licenses granted-W2XBS-WNBT (NBC) & WCBW (CBS), NYC
- Jul 1 Bulova Watch Co pays $9 for 1st ever network TV commercial
DiMaggio Ties Streak
Jul 1 NY outfielder Joe DiMaggio, on way to a record 56, ties Willie Keeler's 44 game MLB hit streak in a 9-2 win over Boston Red Sox at Yankee Stadium
- Jul 1 WCBW (now WCBS) TV channel 2 in NY, NY (CBS) begins broadcasting
- Jul 1 WNBT TV (W2XBS, Now WNBC) channel 4 in NYC (NBC) begins broadcasting
- Jul 2 Joe DiMaggio hits a 3-run homer off Boston's Dick Newsome to pass Willie Keeler's MLB record 44 game hitting streak
- Jul 2 Nazi mass murder in Lvov/Lemberg (7,000 dead)
Blithe Spirit
Jul 2 Noël Coward's "Blithe Spirit" premieres in London
Penicillin Creators Met
Jul 4 Howard Florey and Norman Heatley meet for 1st time, 11 days later they successfully recreate penicillin
- Jul 4 Latvia partisans shoot 416 Jews dead
- Jul 4 Politburo of Yugoslav communist party reorganizes
- Jul 5 German occupiers disband political parties
Monument to Lou Gehrig
Jul 6 New York Yankees team unveils a monument to former captain Lou Gehrig in center field at Yankee Stadium; the future Hall of Famer died the previous month
- Jul 7 Nazis execute 5,000 Jews in Kovono, Lithuania
- Jul 7 US forces land in Iceland to forestall Nazi invasion
- Jul 7 World War II: Beirut is occupied by Free France and British troops
- Jul 8 9th All Star Baseball Game: AL wins 7-5 at Briggs Stadium, Detroit
- Jul 8 All Jews living in Baltic States are obligated to wear a Jewish Star
- Jul 9 Dutch-American Physicist Abraham Pais is awarded his Ph.D. in Holland five days before a Nazi deadline banning Jews from receiving degrees
- Jul 10 Continuation War: Finland invades East Karelia as hostilities with the Soviet Union resume following the German invasion in June
- Jul 10 Jedwabne Pogrom: massacre of Jewish people living in and near the village of Jedwabne, Poland
- Jul 13 Eddie Mayo (LA-Pacific Coast League), spits in face of umpire Ray Snyder
Men's PGA Championship
Jul 13 PGA Championship Men's Golf, Cherry Hills CC: Vic Ghezzi wins his only major title over defending champion Byron Nelson in 38 holes
- Jul 13 World War II: Montenegrins start popular uprising against the Axis Powers (Trinaestojulski ustanak).
- Jul 14 6,000 Lithuanian Jews are exterminated at Viszalsyan Camp
- Jul 14 Cease fire of Joan of Arc (ends combat in Lebanon & Syria)
- Jul 14 Jam rationed in Holland
The MAUD Report
Jul 15 Britain's MAUD Report edited by physicist James Chadwick approved, concludes an atomic bomb is feasible
- Jul 15 Howard Florey and Norman Heatley present freeze dried mold cultures (Penicillin)
- Jul 16 100°F (38°C) highest temperature ever recorded in Seattle, Washington
- Jul 16 Joe Dimaggio goes 3 for 4, hitting in his 56th straight game
- Jul 17 NY Yankee Joe DiMaggio's 56-game hitting streak ends in Cleveland
- Jul 18 SS drowns 40 Jews in Dvina River, Belorussia
- Jul 19 1st US Army flying school for black cadets dedicated (Tuskegee, Alabama)
BBC Plays Morse Code
Jul 19 BBC World Service begins playing V(ictory) ("...-" in Morse code) (opening of Ludwig van Beethoven's 5th symphony)
V for Victory Campaign
Jul 19 British PM Winston Churchill launches his "V for Victory" campaign
Tom and Jerry Debut
Jul 19 Tom and Jerry first appear under their own names in cartoon "The Midnight Snack" by William Hanna and Joseph Barbera
Fair Employment Practice Committee
Jul 19 US President Franklin D. Roosevelt appoints the Fair Employment Practice Committee (FEPC)
The Guinea Pig Club
Jul 20 The Guinea Pig Club forms, made of severely injured airmen treated by Archibald McIndoe at Queen Victoria Hospital, East Grinstead, England [1]
- Jul 20 Yanks beat Tigers 12-6 in 17
- Jul 21 200 Jewish Torahs are burned in Ukraine
- Jul 24 FDR demands Japanese troops out of Indo-China
- Jul 24 Nazis kill entire Jewish population of Grodz, Lithuania
- Jul 25 41-year-old Lefty Grove wins his 300th and final MLB career game as the Boston Red Sox defeat Cleveland Indians, 10-6 at Fenway Park
- Jul 25 FDR bans selling benzine/gasoline to Japan
- Jul 26 1st Dutch Austrians depart Hague
- Jul 26 US embargo on oil-export to Japan
- Jul 27 103°F highest temperature ever recorded in Cleveland in July
- Jul 27 German army enters Ukraine
- Jul 27 Japanese forces land in Indo-China
- Jul 30 German occupiers forbid SDAP, VDB, ARP, RKSP, CHU & SGP in Netherlands
- Jul 31 U-boats sink and damage 21 allied ships this month (80,521 tons)
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