Enlarge By Sam Riche, USA TODAY In Philadelphia, more than 65,000 volunteers will be involved in nearly 900 projects including assembling environmentally friendly green playground projects.

The Corporation for National and Community Service (CNCS) is partnering with the Presidential Inaugural Committee and Facebook to get the word out about how people can get involved on Monday. In 1994, Congress passed a bill to transform the King holiday into a national day of service. "I think Obama has clearly and very specifically made service an agenda for his presidency," says Nicola Goren, interim CEO of CNCS. "We're expecting Monday to be the biggest King Day ever."

In Philadelphia, more than 65,000 volunteers will be involved in nearly 900 projects including assembling environmentally friendly green playground projects, park benches and picnic tables in disadvantaged neighborhoods, according to Todd Bernstein of Global Citizen.

Other examples:

• In Oakland, Mo' Better Foods, a non-profit organization that supports urban gardens, will rebuild Castlemont High School's garden.

• In Phoenix, the Desert Mission Food Bank will pack food boxes for needy families.

• In Chicago, Knitters for Obama and the Forefront Stitchers will present the University of Chicago Medical Center with more than 200 caps for cancer patients, in honor of Madelyn Dunham, Obama's grandmother.

• In Weatherford, Texas, volunteers are collecting sleeping bags and blankets for the homeless.

Obama and Vice President-elect Joe Biden are participating in acts of service Monday, a day before the inauguration.

Goren says there are 6,000 projects and more being added daily, compared with 5,000 last year. To find an opportunity or to host an event, volunteers can go to the websites nationalservice.gov or usaservice.org, where a video of Michelle Obama asks Americans to take part Monday as part of "our Renew America Together initiative."

"The true way to honor my uncle is through service," says Isaac Farris, nephew of King and CEO of the King Center, established in 1968 to advance King's legacy of justice, equality and peace. "We're very gratified that Obama has gotten behind the effort."

Farris says King spent his life in service to others, living what he preached: "Everybody can be great because everybody can serve."

Linda Douglass, spokeswoman for the Presidential Inaugural Committee, says even those who travel to the District of Columbia for the inauguration can find ways to serve. For instance, volunteers will gather Monday at RFK Stadium to make care packages for U.S. servicemembers overseas.