As per the Academy Report Volume 12 Number 2, December 1969 from the Margaret Herrick Library Digital Collections at Oscars.org, "The broadcast was presented abroad in an abbreviated, one-hour form on a trial basis."
As of publication prior to the April 14, 1969 broadcast, the 30 countries were: "United Kingdom, Australia, Korea, Venezuela, Argentina, Austria, Greece, Holland, Finland, Italy, New Zealand, Uruguay, Chile, Costa Rica, Guatemala, Panama, Nicaragua, the Dominican Republic, Ecuador, San Salvador, Honduras, Norway, Spain, Portugal, Belgium, Switzerland, Thailand, Singapore, Hong Kong and the Philippines" as per the Academy Report, Volume 12 Number 1, April 1969 from the Margaret Herrick Library Digital Collections at Oscars.org. But the article noted that "several other countries may soon be added to the roster."
As per the Academy Report, Volume 12 Number 2, December 1969, Raye was the first woman to win the Jean Hersholt Humanitarian Award.
The show was written by Tom Waldman and his brother Frank Waldman as per the article "Champion Completes Production Staff; Show Plans on Schedule" in the Academy Report in the Margaret Herrick Library Digital Collection at Oscars.org
Best Actress nominee, Vanessa Redgrave was pregnant and attended the awards ceremony with actor Franco Nero, the father of Carlo Gabriel Redgrave Nero, as per this photo from the Academy Awards show photographs, Margaret Herrick Library, Academy of Motion Picture Arts and Sciences.
As per the Turner Classic MoviesFunny Girl trivia article on its website, "The accounting firm of Price Waterhouse confirmed that they counted and re-counted the votes, and it was an exact tie."