Look how many times the six million figure is mentioned in the New York Times:
1869
New York Times: 6,000,000 Jews in the world, half in Europe
NYT
1889
New York Times: 6,000,000 Jews in the world, 2/3rds in Russia
NYT
1891
New York Times: 6,000,000 Jews in Russia
NYT
1896
New York Times: 6,000,000 Jews in Russia
NYT
1900
New York Times: 6,000,000 living arguments in favour of Zionism
NYT
1902
New York Times: 6,000,000 Jews in Russia
NYT
1904
New York Times: 6,000,000 Jews in Russia, Zionism & East Africa
NYT
1905
New York Times: 6,000,000 Russian Jews and Zionism
NYT
1905
New York Times: 6,000,000 Jews expelled from Russia between 1890-1902
NYT
1906
New York Times: 6,000,000 Jews will be massacred in Russia
NYT
1907
New York Times: 6,000,000 Jews can't emigrate
NYT
1910
New York Times: 6,000,000 Jews in Russia
NYT
1910
New York Times: 6,000,000 Jews in Russia in a sad plight
NYT
1911
New York Times: 6,000,000 Jews in Russia are persecuted
NYT
1911
New York Times: 6,000,000 Jews in Russia have no rights at all
NYT
1911
New York Times: 6,000,000 Jews in Russia to be massacred
NYT
1911
New York Times: 6,000,000 Jews in Russia in real peril
NYT
1914
New York Times: 6,000,000 Jews within warzone
NYT
1915
New York Times: 6,000,000 Jews within warzone
NYT
1916
New York Times: 6,000,000 Jews in Poland ruined
NYT
1918
New York Times: 6,000,000 Jews need help
NYT
1919
New York Times: 6,000,000 Jews in peril in Ukraine & Poland
NYT
1919
New York Times: 6,000,000 Jews left in Europe
NYT
1919
The American Hebrew: 6,000,000 Jews will died in a holocaust
1920
New York Times: 6,000,000 Jews menaced by typhus
NYT
1920
New York Times: 6,000,000 Jews sufferers of war
NYT
1920
New York Times: 6,000,000 Jews facing starvation
NYT
1920
New York Times: 6,000,000 Jews threatened by famine & disease
NYT
1920
The Toronto World: 6,000,000 Jews facing death
1921
New York Times: 6,000,000 Jews facing extermination in Russia
NYT
1933
New York Times: 6,000,000 Jews involved in relief work
NYT
1935
New York Times: 6,000,000 Jews defended by Congress
NYT
1936 New York Times: 6,000,000 Jews represented at Jewish Congress
NYT
1938
New York Times: 6,000,000 Jews dying in Europe
NYT
1938
New York Times: 6,000,000 Jews victims in Europe
NYT
1938 New York Times: 6,000,000 Jews victims in Eastern & Central Europe
NYT
1939
New York Times: 6,000,000 Jews can’t be evacuated
NYT
1945
New York Times: 6,000,000 Jews killed (4mnths before end of WW2)
NYT
1945 New York Times: 6,000,000 Jews were under Nazi rule, only 1,200,000 survived
NYT
1945
New York Times: 6,000,000 Jews, only 1,000,000 still alive (3 months before VE Day)
NYT