Douglas Barrett, left, and Rev. Shelly Denmark, with others, hold a memorial quilt during the tolling of the bells and reading of the names at First United Methodist Church in Orlando, Fla., Wednesday, June 12, 2019, on the 3rd anniversary of the Pulse nightclub massacre. (Joe Burbank/Orlando Sentinel via AP)

ORLANDO, Fla. (AP) — Three years after a gunman massacred 49 people and wounded many others at a gay nightclub in Florida, the anniversary was observed Wednesday with somber memorial gatherings and proclamations, including one that had to be issued twice.

In a proclamation, Florida Gov. Ron DeSantis ordered state flags to be lowered to half staff and asked Floridians to pause to remember the victims of the 2016 shooting at the Pulse nightclub in Orlando. But he initially made no mention of the gay or Hispanic communities in the proclamation honoring the 49 club-goers who were killed on Latin night in the deadliest attack on gay people in the U.S.

Democratic state Rep. Anna Eskamani of Orange County criticized the Republican governor for the omission, calling the proclamation, "straight-washed."

DeSantis later tweeted that the state mourns the loss of life from the attack that "targeted the LGBTQ and Hispanic community, and Florida as a whole."

Several hours later, his office issued a "corrected version" of the proclamation that said Florida wouldn't tolerate hate toward the LGBTQ and Hispanic communities.

"Staff made an error in the previous version. The governor has directed that the proclamation be re-issued, including a direct reference to our LGBTQ and Hispanic communities," said Helen Aguirre Ferre, the governor's communications director, in an email accompanying the revised proclamation. "The governor stands in solidarity with the LGBTQ and Hispanic communities who were attacked during this horrific act of violence at Pulse three years ago today."

When asked about the omission at a bill signing in Jacksonville, the governor said he wasn't involved in drafting the original proclamation.

"When someone said that this wasn't in there, I said, 'Well, then put it in there.' So we fixed it," DeSantis said. "Obviously, we flew the flags at half staff and that was the reason we put out the proclamation. Sometimes these things happen and you've just got to correct it."

Later in the day, DeSantis and his wife, Casey, visited Pulse and laid bouquets of flowers outside the nightclub.

In the U.S. Senate, Florida's two Republican U.S. senators introduced a resolution honoring the 49 people killed on Latin night. The resolution, which passed with unanimous consent, noted that the massacre was "an attack on LGBTQ community, the Hispanic community, the city of Orlando, the state of Florida and the United States."

Gunman Omar Mateen was killed after a three-hour standoff by SWAT team members. He had pledged allegiance to the Islamic State. At the time, the Pulse massacre was the deadliest mass shooting in modern U.S. history. However, another mass shooting the following year along the Las Vegas Strip became the deadliest when 58 people were killed.

In Orlando, churches were ringing bells 49 times at noon, names of the slain were read at a midday church service in downtown Orlando and a Wednesday night memorial service was planned outside the Pulse nightclub, which has been closed since the shooting in June 2016.

Some survivors and friends gathered at the club shortly after 2 a.m. Wednesday to mark the exact time the shooting started.

Pulse owner Barbara Poma has established a nonprofit to open a memorial and museum at the site. About $14 million has been raised for the $50 million project. Six design firms have been selected as finalists and the winner will be chosen in the fall. The permanent memorial and museum are scheduled to open in 2022.

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Associated Press writer Brendan Farrington in Tallahassee, Florida. contributed to this report.

Participants in the reading of the 49 names of the victims in the Pulse nightclub massacre embrace at the conclusion of bells tolling, at First United Methodist Church in Orlando, Fla., Wednesday, June 12, 2019, the 3rd anniversary of the mass shooting. From left, Mayra Alvear, mother of a Pulse victim; Carlos Carbonell of the One Orlando Alliance; Robin Maynard-Harri of the onePulse Foundation; and Joshua Lewis, a Pulse survivor. (Joe Burbank/Orlando Sentinel via AP)
In a  Monday, June 3, 2019 photo, Bryan Formica, visiting from Cape Coral, Fla., embraces his daughter Marley, 8, as they visit the new 'Love Speaks' exhibit —artists' reflections on the Pulse nightclub massacre— at the Orange County Regional History Center in Orlando, Fla. The exhibit opened June 1, ahead of the third anniversary of the mass shooting that killed 49 people. (Joe Burbank/Orlando Sentinel via AP)
FILE - In this July 11, 2016, file photo, a makeshift memorial continues to grow outside the Pulse nightclub in Orlando, the day before the one month anniversary of a mass shooting, in Orlando, Fla. Floridians and others around the world are remembering the three-year anniversary of a massacre at the Pulse nightclub that left 49 people dead. Florida Gov. Ron DeSantis issued a proclamation for Wednesday, June 12, 2019 ordering state flags to be lowered to half-staff and asking Floridians to remember the victims of the shooting. (AP Photo/John Raoux, File)