Bolívar finally resigned the presidency on 27 April 1830, intending to leave the country for exile in Europe. He had already sent several crates containing his belongings and writings ahead of him to Europe, but he died before setting sail from Cartagena.
On 27 April 1911, an uprising occurred in Guangzhou, known as the Second Guangzhou Uprising or Yellow Flower Mound Revolt. It ended in disaster, as 86 bodies were found (only 72 could be identified). The 72 revolutionaries were remembered as martyrs. Revolutionary Lin Juemin was one of the 72. On the eve of battle, he wrote the legendary "A Letter to My Wife", later to be considered as a masterpiece in Chinese literature.
On April 27, 1958, Richard and Pat Nixon reluctantly embarked on a goodwill tour of South America. In Montevideo, Uruguay, Nixon made an impromptu visit to a college campus where he fielded questions from students on U.S. foreign policy.
On 27 April, 100,000 North Vietnamese troops encircled Saigon. The city was defended by about 30,000 ARVN troops. To hasten a collapse and foment panic, the NVA shelled the airport and forced its closure. With the air exit closed, large numbers of civilians found that they had no way out.
Organized by the Union on 27 April, some 50,000–100,000 students from all Beijing universities marched through the streets of the capital to Tiananmen Square, breaking through lines set up by police, and receiving widespread public support along the way, particularly from factory workers.
The construction of One World Trade Center began on April 27, 2006, and reached its full height on May 20, 2013. The spire was installed atop the building at that date, putting 1 WTC's height at 1,776 feet (541 m) and thus claiming the title of the tallest building in the Western Hemisphere.
Extremely Severe Cyclonic Storm Nargis was an extremely destructive and deadly tropical cyclone that caused the worst natural disaster in the recorded history of Myanmar during early May 2008. The cyclone made landfall in Myanmar on Friday, 2 May 2008, sending a storm surge 40 kilometres up the densely populated Irrawaddy delta, causing catastrophic destruction and at least 138,373 fatalities.
At an investor's meeting on 27 April 2016, Nintendo announced that the NX would be released worldwide in March 2017. In an interview with Asahi Shimbun in May 2016, Kimishima stated that the NX was a new concept that would not succeed in the 3DS or Wii U product lines. At a shareholders' meeting following E3 2016, Shigeru Miyamoto stated that the company chose not to present the NX during the conference due to concerns that competitors could copy from it if they revealed it too soon. The same day, Kimishima also revealed during a Q&A session with investors that they were also researching virtual reality.
On 27 April 2018, it was announced that North Korea and South Korea agreed to talks to end the ongoing 65-year conflict. They committed themselves to the complete denuclearization of the Korean Peninsula.