Event:
Pope Pius XII publishes encyclical Sertum laetitiae
More Notable Events on November 1:
1979 Federal government makes a $1.5 billion loan to Chrysler
1968 Motion Picture Association of America introduces rating system (G, M, R, X)
1952 1st hydrogen device exploded at Eniwetok Atoll in Pacific
1931 Dupont introduces synthetic rubber
1920 Warren Harding elected 29th president
