Daugava in Riga summer.

The River Daugava ( in Latvian ) or Western Dvina (;,, Дзвiна, Dzvina ; ), not to be confused with Northern Dvina, is a river rising in the Valdai Hills, Russia, flowing through Russia, Belarus, and Latvia, draining into the Gulf of Riga in Latvia, an arm of the Baltic Sea.

There are three hydroelectric dams on the Daugava River – Rīgas HES just upstream from Riga or 35 km from the mouth of the river, Ķegums HPP another 35 km further up or 70 km from the mouth, and Pļaviņas HPP another 37 km upstream or 107 km from the mouth.

Today's capital, Riga, founded in 1201 by Teutonic colonists at the mouth of the Daugava, became a strategic base in a papally-sanctioned conquest of the area by the Livonian Brothers of the Sword.

With a total length of 1, 020 kilometers, the Daugava ( or Zapadnaya Dvina in its upper reaches ) originates in the Valday Hills in Russia's Tver ' Oblast, meanders through northern Belarus, and then winds through Latvia for 370 kilometers before emptying into the Gulf of Riga.

air and water pollution because of a lack of waste conversion equipment ; Gulf of Riga and Daugava River heavily polluted ; contamination of soil and groundwater with chemicals and petroleum products at military bases

In 1986, it became widely known to the public that the USSR was planning to build another hydroelectric power plant on Latvia's largest river Daugava, and that a decision had been made to build a subway in Riga.

Ogre (; ) ( population 26, 573 in 2000 census ) is the principal town of Ogre District in Central Latvia, 36 km east of the capital Riga, situated at the confluence of the Daugava and Ogre rivers.

Several Soviet tanks appeared on the bank of Daugava river in the Riga Old Town.

The town is situated on the northern bank of the Daugava River 18 kilometers to the south-east of the city of Riga.

For almost all of her playing career, she played for TTT Riga, which was part of Daugava Voluntary Sports Society.

Zemgale is bounded by Kurzeme in the west, the Gulf of Riga, the Daugava river and Vidzeme in the north, Selonia in the east and the Lithuanian border in the south.

It roughly corresponds to the former Alūksne, Cēsis, Gulbene, Limbaži, Madona, Valka, Valmiera districts and parts of Aizkraukle, Ogre and Riga districts north of Daugava river.

Friendship with Riga fostered trade and commerce, and helped to consolidate Lithuanian influence in the Daugava basin, where c. 1307 Polatsk, a major trade post, was annexed by Lithuania.

It briefly occupied the west bank of the Daugava river in Riga and the government of Kārlis Ulmanis had to request military assistance from Lithuania and Estonia.

Riga Castle () is a castle on the banks of River Daugava in Riga, the capital of Latvia.

* Stone Bridge ( Riga ), the bridge across Daugava in Riga, Latvia.

They include the major rivers of north Europe, such as the Oder, the Vistula, the Neman, the Daugava and the Neva.

The Daugava forms part of the international border between Latvia and Belarus.

According to C. Michael Hogan, the Daugava River began experiencing environmental deterioration in the era of Soviet collective agriculture ( producing considerable adverse water pollution runoff ) and a wave of hydroelectric power projects.

The names for the Daugava in other languages ; Dyna – Двина – Дзьвіна – Dźwina-Düna – Dvina ; originated from the Finnic name Vīna-Väinä, for passage-to-the-sea.

Daugava River.

Latvia's principal river, the Daugava River, was at the head of an important mainland route from the Baltic region through Russia into southern Europe and the Middle East used by the Vikings and later Nordic and German traders.

The major rivers include the Daugava, the Lielupe, the Gauja, the Venta and the Salaca.

The largest river is the Daugava, which has been an important route for several thousand years.

The proposed fourth dam, at the town of Daugavpils on the Daugava River, became the rallying point for protest in 1986-87 by hundreds of thousands of Latvians.

The dangers from a lack of cooperation were brought home to Latvians in November 1990, when a polymer complex in Navapolatsk, Belarus, accidentally spilled 128 tons of cyanide derivatives into the Daugava River with no warning to downstream users in Latvia.

Moving in the wake of German merchants who were now following the old trading routes of the Vikings, a monk named Meinhard landed at the mouth of the Daugava river in present-day Latvia in 1180 and was made bishop in 1186.

Though he landed in the mouth of the Daugava in 1200 with only 23 ships and 500 soldiers, the bishop's efforts ensured that a constant flow of recruits followed.

After the subjugation of the Livonians the crusaders turned their attention to the Latgallian principalities to the east, along the Gauja and Daugava rivers.

The war against the Latgallian and Selonian countries along the Daugava waterway started in 1208 by occupation of the Orthodox Principality of Koknese and the Selonian hillfort of Sēlpils.

Moving in the wake of German merchants, a monk named Meinhard had landed at the mouth of the Daugava river in present-day Latvia in 1180.

Also, the 13th-and 14th-century occupation of the western part of the Daugava basin ( closely coinciding with the territory of modern Latvia ) by the German Sword Brethren had a significant influence on the languages ' independent development.

The sea and other bodies of water, including rivers, especially Daugava, seem to mark the boundary between worlds of the living and the dead.

The Saxon-Polish army however had gone into winter camp south of the river Daugava so Charles XII decided to deal with the more immediate Russian threat against Narva.

Down through the axis of the bridge there is a long diminishing vista like a visual echo of piers and arches, while the vaults fronting upstream and down frame the sunset and sunrise, the mountains and river pools.

We saw it frequently afterward, but our suggestion for the very first encounter is near sunset.

It was recognized years ago that the transition from daytime to nighttime propagation conditions, and vice versa, is not an instantaneous process, but takes place over periods of time from roughly 2 hours before sunset until about 2 hours after sunset, and again from roughly 2 hours before sunrise until some 2 hours after sunrise.

It was determined that the hours of sunrise and sunset, respectively, should be used for this purpose.

Class 2, stations operating on clear channels are required to cease operation or operate under nighttime restrictions beginning either at local sunset ( for daytime class 2, stations ) or sunset at the location of the dominant class 1, station where located west of the class 2, station ( for limited-time class 2, stations ).

The same restrictions apply after local sunset in the case of class 3, stations operating on regional channels, which after that time are required to operate under nighttime restrictions in order to protect each other.

Essentially, the question presented for decision in the present Daytime Skywave proceeding is whether our decision ( in 1938-1939 ) to assign stations on the basis of daytime conditions from sunrise to sunset, is sound as a basis for AM allocations, or whether, in the light of later developments and new understanding, skywave transmission is of such significance during the hours immediately before sunset and after sunrise that this condition should be taken into account, and some stations required to afford protection to other stations during these hours.

Just after sunset is a good time to record the city lights in color since you get a `` fill-in '' light from the sky.

As Sargon extended his conquest from the " Lower Sea " ( Persian Gulf ), to the " Upper Sea " ( Mediterranean ), it was felt that he ruled " the totality of the lands under heaven ", or " from sunrise to sunset ", as contemporary texts put it.

It started at 17: 49 ; it was still eclipsed at sunset, at 19: 20.

The animation below shows two sunsets at a hypothetical site, one the day before the summer solstice and one at the summer solstice, which has a double sunset.

This, Thom argued, was a notch on the horizon where a double sunset would occur at midwinter.

However, from ground level, this sunset would be obscured by a ridge in the landscape, and the viewer would need to be raised by two meters: another observation platform was needed.

The French mathematician and astronomer Jean-Baptiste Morin observed Arcturus in the daytime with a telescope ( a first for any star other than the sun ) in 1635, and has been seen at or just before sunset with the naked eye.

An afterglow may appear above the highest clouds in the hour of deepening twilight, or reflected from the high snowfields in mountain regions long after sunset.

Enacted July 6, 1798, and providing no sunset provision, the act remains intact today as.

Vehicle dealers who keep seventh-day Sabbath from sunset Friday to sunset Saturday may operate on Sundays instead.

The film ends with Bart killing Lamarr by shooting him in the groin at the " premiere " of Blazing Saddles outside Grauman's Chinese Theatre, saving the town, and then joining Jim inside the theatre to view the end of the movie, persuading people of all colors and creeds to live in harmony, before they hand in their horses and ride off ( in a limousine ) into the sunset.

A day may consist of the period between sunrise and sunset, with a following period of night, or it may be a period between successive events such as two sunsets.

Image: Claude Monet-Graystaks I. JPG | Haystacks, ( sunset ), 1890 – 1891, Museum of Fine Arts, Boston

12 years later, Laura and her father are admiring the sunset in front of the castle when her father tells her of a letter he received earlier from his friend General Spielsdorf.