The main Presidential and Congressional elections are held in November. Primary elections and caucuses are held in prior months.
The public "votes for President" in November, but they are actually electing members to the electoral college in that election. The electoral college casts the votes for President (and Vice President) in December.
Yes, poll taxes are illegal in all government elections.
24th amendment
Local, state, and federal.
November
In the United States, federal elections are held on the first Tuesday after November 1; the calendar date varies between November 2 and November 8.
No. In fact they are never held on Sundays. Federal elections in Canada are normally held on Tuesdays.
Primary elections are held in April.
5 years
The main Presidential and Congressional elections are held in November. Primary elections and caucuses are held in prior months.
The power to conduct elections is by the state governments. There aren't any federal elections, the Presidential election are multiple statewide elections held on the same day.
May
Usually state elections are held on the first Tuesday in the month of November. There are times that there are special elections that can held at various times.
In Belgium, all governmental elections (city, province, region, federal and European) are held on a sunday.
This act applied to all elections held anywhere in the United States- State and Local, as well as Federal.
Federal elections in Ethiopia must be held every five years according to the country's constitution, typically on a Sunday in May. Federal elections have been held in 1995, 2000, 2005 and 2010 - the next election should take place in either May or June of 2015.