There are three Mercury Retrograde periods each year, each lasting for about 3 weeks or so. In 2015 Mercury goes retrograde in the three periods of January-February, May-June and September-October. Of late Mercury retrograde is gaining much importance in our lives.n 2015 Mercury goes retrograde in the three periods of January-February, May-June and September-October.
Since aviation began, one fact has remained constant: Each president has flown more than his predecessor. Today, Air Force One has become an office in the sky where routine work is performed. It was not always so, especially in early years when many thought flying was dangerous. Theodore Roosevelt became the first president to fly in an aircraft, although it didnât happen during his years as president (1901-1909).
While John Quincy Adams was the first ex-president to ride a train in 1830, the first sitting president to travel by train was Andrew Jackson, when he rode the B & O from Ellicott's Mills to Baltimore in 1833. The first president-elect to ride a passenger train to an inauguration was William Henry Harrison, 8 years later. Harrison holds several other firsts. He was the first presidential candidate to campaign by train.