On this day — April 29, 1989: Politburo discussion: At a Politburo meeting on this day in 1989, Zhao Ziyang makes suggestions to address official corruption in response to popular discontent. Li Peng opposes them.
See HRIC chronology and resources.
30 years ago: 150,000 march in Beijing
China Digital Times, April 27, 2019
六四30周年：香港六四纪念馆新址重新开放，负责人仍担忧其未来 (Hong Kong June Fourth Museum reopens ahead of 30th anniversary of massacre, but worries still loom for its future)
BBC, April 26, 2019
Related:
How low have we sunk? Tiananmen Massacre museum rent-a-mob “protesters” are not really concerned about fire safety
Hong Kong Free Press, April 28, 2019
“王维林挡坦克”大型雕塑 将在美落成 (Life-sized sculpture of “Tank Man” Wang Weilin, to be placed in California’s Liberty Sculpture Park)
Radio Free Asia, April 26, 2019
Tiananmen Square protests and China’s fight for internet control
Al Jazeera, April 26, 2019