February 15 - 16, 2016 President Barack Obama convenes a historic summit of leaders of the Association of Southeast Asian Nations at Sunnylands. It is the first time leaders of the 10 nations met on U.S. soil.
November 2013 Key leaders from science, government, NGOs, and industry meet at Sunnylands to discuss the future of AIDS research
September 2013 Sunnylands-Aspen Institute Task Force on Streamlining and Consolidating Congressional Oversight of the U.S. Department of Homeland Security releases report with recommendations for future.
April 2012 Discussions on math education take place at The Annenberg Retreat at Sunnylands with educators and government leaders from across the United States, along with representatives from the Gates Foundation.
March 2012 The Annenberg Retreat at Sunnylands and the Woodrow Wilson International Center for Scholars convene a high-level retreat at Sunnylands with preeminent political, business, academic, and media leaders from the United States and Mexico.
December 1993 Plans to donate $500 million to the American public school system, the largest gift to the public ever made in this country, are drafted at Sunnylands. The gift is announced in a White House Ceremony with President Clinton on December 17, 1993.
March 1990 President George H. W. Bush holds a State Dinner for Prime Minister Toshiki Kaifu of Japan at Sunnylands.
March 1990 The Annenbergs announce a record-setting gift of $50 million to the United Negro College Fund (UNCF) in a ceremony with President George Bush and UNCF President Christopher Edley at Sunnylands.
January 1988 President Ronald Reagan signs a landmark free trade agreement with Canada--a precursor to NAFTA--and announces it to the nation during his New Year's radio address from Sunnylands.
January 1986 President Ronald Reagan exchanges televised New Year's greetings with Soviet President Mikhail Gorbachev. He watches them on the television in the Room of Memories at Sunnylands.
February 1983 Queen Elizabeth ll and Prince Phillip visit Sunnylands.
January 1979 The mother and sister of Mohammad Reza Shah Pahlavi, Shah of lran, find a safe haven at Sunnylands.
July 1976 Frank and Barbara Sinatra marry at Sunnylands.
September 8, 1974 President Richard Nixon finds a refuge at Sunnylands, after President Gerald Ford issues a pardon for Nixon's involvement in the Watergate scandal.
January 1974 President Richard Nixon drafts his final State of the Union Address while visiting Sunnylands.
December 1968 Walter and Leonore Annenberg welcome the Republican Governors Association to Sunnylands. President-elect Richard Nixon and California Governor Ronald Reagan attend.
March 1966 Sunnylands is completed after three years of design and construction.