2049 (MMXLIX) will be a common year starting on Friday of the Gregorian calendar. Predicted and scheduled events May 7 - Transit of Mercury The 99-year lease in the Churchill-Roosevelt Destroyers for Bases Agreement, in which the United States traded 50 destroyers to the British Commonwealth in return for the right to use several British colonial possesians as bases, will expire, barring a renegotiation. December 20 - The present "One country, two systems" with Macau, guaranteed for 50 years… (More on 2049)