The first benefits of this new century.

Jan. 5

The patrons' opening night preview party of the 45th Washington Antiques Show is at the Omni Shoreham. The show--"Behind Closed Doors: Victorian Secrets"--is Jan. 6--9 at the hotel, and benefits the Thrift Shop Charities. Lectures, luncheons, appraisals, symposiums and the like are offered. Tickets to the opening night party: $200. Call 202- Show tickets: $12. Call 202-338-8714.

Jan. 8

"Warm Clothes from Warm Hearts," the first annual clothing drive of the Church In Society Ministry of Heritage Fellowship United Church of Christ and the A New Voice theater troupe is at South Lakes High School in Reston. Entertainment by saxophonist Michael J. Girdy, the theater troop A New Voice and the Plymouth Congregational UCC Youth Choir. Requested donation: warm hats, socks and gloves, or money to provide clothing for needy women in the area. Call 703-620-9515.

"From Coal to Computer Chip: The New Golden Age Ball," the Young Collectors' Ball of the 45th Annual Washington Antiques Show at the Omni Shoreham. There is a silent auction and entertainment by the New Legacy Jazz Band. Tickets: $85 and $125 (which includes a patron's reception). Call 703-527-6199.

Jan. 11

Ballet 2000, the young professional organization in support of the Washington Ballet, hosts "Beer & Ballet," a studio rehearsal by members of the Washington Ballet company and a reception, at the Washington Ballet. Tickets: $10 ($5 for Ballet 2000 members). Call 202-362-3606, ext. 125.

Jan. 14

Prince Alexis N. Obolensky and Princess are hosts of at the Renaissance Mayflower Hotel. Tickets: $135 ($30 for dancing only). Call 202-244-4728.

Jan. 15

Rebecca McCabe, Kathleen LaGue, Vivian Slade and Greta Gaines are the featured performers at "She Sings," a concert and dinner to benefit Miriam's House, a residence for homeless women living with AIDS, including some who have children. The evening offers a reception with the performers at the home of Cheryl and Hani Masri and the concert and dinner at Dumbarton United Methodist Church. Tickets: $100 and $175 (which includes the reception). Call 202-333-4563.

Celadon Inc., Anton Gallery and Movie Music Entertainment are hosts of "No Boundaries," an art celebration and sale that benefits in part the Children's Hospital New Horizons program--an arts education and cultural enrichment program at children's National Medical Center--at the Anton Gallery. Works are by Christian Le Blanc (an actor on "The Young and the Restless"), Rob Barnard, Allen D. Carter, Reid McIntyre, Tom Nakahsima and Michael Platt. Call 202-328-0828.

Jan. 17

Randall Robinson, president of TransAfrica, is the keynote speaker at the United Planning Organization's 16th Annual Martin Luther King, Jr. Memorial Breakfast at the Omni Shoreham. Breakfast proceeds support the organization's Joseph A. Beavers Scholarship Fund. Tickets start at $27. Call 202-289-9100, ext. 312.

Jan. 28

A performance of "Guys and Dolls" at Arena Stage and a champagne and dessert reception with the cast after the performance is offered by the Arthritis Foundation Metropolitan Washington Chapter. Tickets: $100. Call 202-537-6800, ext. 3020.