Oklahoma's centennial celebration was named the top event in the United States for 2007 by the American Bus Association, and consisted of multiple celebrations saving with the 100th anniversary of statehood on November 16, 2007. Annual ethnic festivals and events take place throughout the state such as Native American powwows and ceremonial events, and include festivals (as examples) in Scottish, Irish, German, Italian, Vietnamese, Chinese, Czech, Jewish, Arab, Mexican and African-American communities depicting cultural heritage or traditions.
When was Oklahoma's centennial year?
2007

Between 1999 and 2006, Bicycling magazine named Boston three times as one of the worst cities in the US for cycling; regardless, it has one of the highest rates of bicycle commuting. In 2008, as a consequence of improvements made to bicycling conditions within the city, the same magazine put Boston on its "Five for the Future" list as a "Future Best City" for biking, and Boston's bicycle commuting percentage increased from 1% in 2000 to 2.1% in 2009. The bikeshare program called Hubway launched in late July 2011, logging more than 140,000 rides before the close of its first season. The neighboring municipalities of Cambridge, Somerville, and Brookline joined the Hubway program in summer 2012.
What magazine put Boston on its Future best City For Biking list?
Bicycling magazine

After the decline of the Teutonic Order following its defeat in the Battle of Grunwald in 1410, and the defeat of the Livonian Order in the Battle of Swienta on 1 September 1435, the Livonian Confederation Agreement was signed on 4 December 1435. The Livonian Confederation ceased to exist during the Livonian War (155882). The wars had reduced the Estonian population from about 250300,000 people before the Livonian War to 120140,000 in the 1620s. The Grand Duchy of Moscow and Tsardom of Russia also attempted invasions in 1481 and 1558, both of which were unsuccessful .
When was the Livonian Confederation Agreement signed?
4 December 1435